251503000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 742809600

約数和(自身を除く): 491306600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 31, 35, 38, 40, 50, 56, 61, 62, 70, 76, 95, 100, 122, 124, 125, 133, 140, 152, 155, 175, 190, 200, 217, 244, 248, 250, 266, 280, 305, 310, 350, 380, 427, 434, 475, 488, 500, 532, 589, 610, 620, 665, 700, 760, 775, 854, 868, 875, 950, 1000, 1064, 1085, 1159, 1178, 1220, 1240, 1330, 1400, 1525, 1550, 1708, 1736, 1750, 1891, 1900, 2135, 2170, 2318, 2356, 2375, 2440, 2660, 2945, 3050, 3100, 3325, 3416, 3500, 3782, 3800, 3875, 4123, 4270, 4340, 4636, 4712, 4750, 5320, 5425, 5795, 5890, 6100, 6200, 6650, 7000, 7564, 7625, 7750, 8113, 8246, 8540, 8680, 9272, 9455, 9500, 10675, 10850, 11590, 11780, 12200, 13237, 13300, 14725, 15128, 15250, 15500, 16226, 16492, 16625, 17080, 18910, 19000, 20615, 21350, 21700, 23180, 23560, 26474, 26600, 27125, 28975, 29450, 30500, 31000, 32452, 32984, 33250, 35929, 37820, 40565, 41230, 42700, 43400, 46360, 47275, 52948, 53375, 54250, 57950, 58900, 61000, 64904, 66185, 66500, 71858, 73625, 75640, 81130, 82460, 85400, 94550, 103075, 105896, 106750, 108500, 115900, 117800, 132370, 133000, 143716, 144875, 147250, 162260, 164920, 179645, 189100, 202825, 206150, 213500, 217000, 231800, 236375, 251503, 264740, 287432, 289750, 294500, 324520, 330925, 359290, 378200, 405650, 412300, 427000, 472750, 503006, 515375, 529480, 579500, 589000, 661850, 718580, 811300, 824600, 898225, 945500, 1006012, 1014125, 1030750, 1159000, 1257515, 1323700, 1437160, 1622600, 1654625, 1796450, 1891000, 2012024, 2028250, 2061500, 2515030, 2647400, 3309250, 3592900, 4056500, 4123000, 4491125, 5030060, 6287575, 6618500, 7185800, 8113000, 8982250, 10060120, 12575150, 13237000, 17964500, 25150300, 31437875, 35929000, 50300600, 62875750, 125751500, 251503000]

約数ペア:

[(1, 251503000), (2, 125751500), (4, 62875750), (5, 50300600), (7, 35929000), (8, 31437875), (10, 25150300), (14, 17964500), (19, 13237000), (20, 12575150), (25, 10060120), (28, 8982250), (31, 8113000), (35, 7185800), (38, 6618500), (40, 6287575), (50, 5030060), (56, 4491125), (61, 4123000), (62, 4056500), (70, 3592900), (76, 3309250), (95, 2647400), (100, 2515030), (122, 2061500), (124, 2028250), (125, 2012024), (133, 1891000), (140, 1796450), (152, 1654625), (155, 1622600), (175, 1437160), (190, 1323700), (200, 1257515), (217, 1159000), (244, 1030750), (248, 1014125), (250, 1006012), (266, 945500), (280, 898225), (305, 824600), (310, 811300), (350, 718580), (380, 661850), (427, 589000), (434, 579500), (475, 529480), (488, 515375), (500, 503006), (532, 472750), (589, 427000), (610, 412300), (620, 405650), (665, 378200), (700, 359290), (760, 330925), (775, 324520), (854, 294500), (868, 289750), (875, 287432), (950, 264740), (1000, 251503), (1064, 236375), (1085, 231800), (1159, 217000), (1178, 213500), (1220, 206150), (1240, 202825), (1330, 189100), (1400, 179645), (1525, 164920), (1550, 162260), (1708, 147250), (1736, 144875), (1750, 143716), (1891, 133000), (1900, 132370), (2135, 117800), (2170, 115900), (2318, 108500), (2356, 106750), (2375, 105896), (2440, 103075), (2660, 94550), (2945, 85400), (3050, 82460), (3100, 81130), (3325, 75640), (3416, 73625), (3500, 71858), (3782, 66500), (3800, 66185), (3875, 64904), (4123, 61000), (4270, 58900), (4340, 57950), (4636, 54250), (4712, 53375), (4750, 52948), (5320, 47275), (5425, 46360), (5795, 43400), (5890, 42700), (6100, 41230), (6200, 40565), (6650, 37820), (7000, 35929), (7564, 33250), (7625, 32984), (7750, 32452), (8113, 31000), (8246, 30500), (8540, 29450), (8680, 28975), (9272, 27125), (9455, 26600), (9500, 26474), (10675, 23560), (10850, 23180), (11590, 21700), (11780, 21350), (12200, 20615), (13237, 19000), (13300, 18910), (14725, 17080), (15128, 16625), (15250, 16492), (15500, 16226)]