661083500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 216

約数和(自身を含む): 1854373248

約数和(自身を除く): 1193289748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 121, 125, 140, 154, 175, 196, 220, 223, 242, 245, 250, 275, 308, 350, 385, 446, 484, 490, 500, 539, 550, 605, 700, 770, 847, 875, 892, 980, 1078, 1100, 1115, 1210, 1225, 1375, 1540, 1561, 1694, 1750, 1925, 2156, 2230, 2420, 2450, 2453, 2695, 2750, 3025, 3122, 3388, 3500, 3850, 4235, 4460, 4900, 4906, 5390, 5500, 5575, 5929, 6050, 6125, 6244, 7700, 7805, 8470, 9625, 9812, 10780, 10927, 11150, 11858, 12100, 12250, 12265, 13475, 15125, 15610, 16940, 17171, 19250, 21175, 21854, 22300, 23716, 24500, 24530, 26950, 26983, 27875, 29645, 30250, 31220, 34342, 38500, 39025, 42350, 43708, 49060, 53900, 53966, 54635, 55750, 59290, 60500, 61325, 67375, 68684, 78050, 84700, 85855, 105875, 107932, 109270, 111500, 118580, 120197, 122650, 134750, 134915, 148225, 156100, 171710, 188881, 195125, 211750, 218540, 240394, 245300, 269500, 269830, 273175, 296450, 306625, 343420, 377762, 390250, 423500, 429275, 480788, 539660, 546350, 592900, 600985, 613250, 674575, 741125, 755524, 780500, 858550, 944405, 1092700, 1201970, 1226500, 1322167, 1349150, 1365875, 1482250, 1717100, 1888810, 2146375, 2403940, 2644334, 2698300, 2731750, 2964500, 3004925, 3372875, 3777620, 4292750, 4722025, 5288668, 5463500, 6009850, 6610835, 6745750, 8585500, 9444050, 12019700, 13221670, 13491500, 15024625, 18888100, 23610125, 26443340, 30049250, 33054175, 47220250, 60098500, 66108350, 94440500, 132216700, 165270875, 330541750, 661083500]

約数ペア:

[(1, 661083500), (2, 330541750), (4, 165270875), (5, 132216700), (7, 94440500), (10, 66108350), (11, 60098500), (14, 47220250), (20, 33054175), (22, 30049250), (25, 26443340), (28, 23610125), (35, 18888100), (44, 15024625), (49, 13491500), (50, 13221670), (55, 12019700), (70, 9444050), (77, 8585500), (98, 6745750), (100, 6610835), (110, 6009850), (121, 5463500), (125, 5288668), (140, 4722025), (154, 4292750), (175, 3777620), (196, 3372875), (220, 3004925), (223, 2964500), (242, 2731750), (245, 2698300), (250, 2644334), (275, 2403940), (308, 2146375), (350, 1888810), (385, 1717100), (446, 1482250), (484, 1365875), (490, 1349150), (500, 1322167), (539, 1226500), (550, 1201970), (605, 1092700), (700, 944405), (770, 858550), (847, 780500), (875, 755524), (892, 741125), (980, 674575), (1078, 613250), (1100, 600985), (1115, 592900), (1210, 546350), (1225, 539660), (1375, 480788), (1540, 429275), (1561, 423500), (1694, 390250), (1750, 377762), (1925, 343420), (2156, 306625), (2230, 296450), (2420, 273175), (2450, 269830), (2453, 269500), (2695, 245300), (2750, 240394), (3025, 218540), (3122, 211750), (3388, 195125), (3500, 188881), (3850, 171710), (4235, 156100), (4460, 148225), (4900, 134915), (4906, 134750), (5390, 122650), (5500, 120197), (5575, 118580), (5929, 111500), (6050, 109270), (6125, 107932), (6244, 105875), (7700, 85855), (7805, 84700), (8470, 78050), (9625, 68684), (9812, 67375), (10780, 61325), (10927, 60500), (11150, 59290), (11858, 55750), (12100, 54635), (12250, 53966), (12265, 53900), (13475, 49060), (15125, 43708), (15610, 42350), (16940, 39025), (17171, 38500), (19250, 34342), (21175, 31220), (21854, 30250), (22300, 29645), (23716, 27875), (24500, 26983), (24530, 26950)]