251504550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 216

約数和(自身を含む): 771825600

約数和(自身を除く): 520321050

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 31, 33, 45, 50, 55, 62, 66, 75, 90, 93, 99, 110, 121, 149, 150, 155, 165, 186, 198, 225, 242, 275, 279, 298, 310, 330, 341, 363, 447, 450, 465, 495, 550, 558, 605, 682, 726, 745, 775, 825, 894, 930, 990, 1023, 1089, 1210, 1341, 1395, 1490, 1550, 1639, 1650, 1705, 1815, 2046, 2178, 2235, 2325, 2475, 2682, 2790, 3025, 3069, 3278, 3410, 3630, 3725, 3751, 4470, 4619, 4650, 4917, 4950, 5115, 5445, 6050, 6138, 6705, 6975, 7450, 7502, 8195, 8525, 9075, 9238, 9834, 10230, 10890, 11175, 11253, 13410, 13857, 13950, 14751, 15345, 16390, 17050, 18029, 18150, 18755, 22350, 22506, 23095, 24585, 25575, 27225, 27714, 29502, 30690, 33525, 33759, 36058, 37510, 40975, 41571, 46190, 49170, 50809, 51150, 54087, 54450, 56265, 67050, 67518, 69285, 73755, 76725, 81950, 83142, 90145, 93775, 101618, 108174, 112530, 115475, 122925, 138570, 147510, 152427, 153450, 162261, 168795, 180290, 187550, 207855, 230950, 245850, 254045, 270435, 281325, 304854, 324522, 337590, 346425, 368775, 415710, 450725, 457281, 508090, 540870, 558899, 562650, 692850, 737550, 762135, 811305, 843975, 901450, 914562, 1039275, 1117798, 1270225, 1352175, 1524270, 1622610, 1676697, 1687950, 2078550, 2286405, 2540450, 2704350, 2794495, 3353394, 3810675, 4056525, 4572810, 5030091, 5588990, 7621350, 8113050, 8383485, 10060182, 11432025, 13972475, 16766970, 22864050, 25150455, 27944950, 41917425, 50300910, 83834850, 125752275, 251504550]

約数ペア:

[(1, 251504550), (2, 125752275), (3, 83834850), (5, 50300910), (6, 41917425), (9, 27944950), (10, 25150455), (11, 22864050), (15, 16766970), (18, 13972475), (22, 11432025), (25, 10060182), (30, 8383485), (31, 8113050), (33, 7621350), (45, 5588990), (50, 5030091), (55, 4572810), (62, 4056525), (66, 3810675), (75, 3353394), (90, 2794495), (93, 2704350), (99, 2540450), (110, 2286405), (121, 2078550), (149, 1687950), (150, 1676697), (155, 1622610), (165, 1524270), (186, 1352175), (198, 1270225), (225, 1117798), (242, 1039275), (275, 914562), (279, 901450), (298, 843975), (310, 811305), (330, 762135), (341, 737550), (363, 692850), (447, 562650), (450, 558899), (465, 540870), (495, 508090), (550, 457281), (558, 450725), (605, 415710), (682, 368775), (726, 346425), (745, 337590), (775, 324522), (825, 304854), (894, 281325), (930, 270435), (990, 254045), (1023, 245850), (1089, 230950), (1210, 207855), (1341, 187550), (1395, 180290), (1490, 168795), (1550, 162261), (1639, 153450), (1650, 152427), (1705, 147510), (1815, 138570), (2046, 122925), (2178, 115475), (2235, 112530), (2325, 108174), (2475, 101618), (2682, 93775), (2790, 90145), (3025, 83142), (3069, 81950), (3278, 76725), (3410, 73755), (3630, 69285), (3725, 67518), (3751, 67050), (4470, 56265), (4619, 54450), (4650, 54087), (4917, 51150), (4950, 50809), (5115, 49170), (5445, 46190), (6050, 41571), (6138, 40975), (6705, 37510), (6975, 36058), (7450, 33759), (7502, 33525), (8195, 30690), (8525, 29502), (9075, 27714), (9238, 27225), (9834, 25575), (10230, 24585), (10890, 23095), (11175, 22506), (11253, 22350), (13410, 18755), (13857, 18150), (13950, 18029), (14751, 17050), (15345, 16390)]