298868700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 938377440

約数和(自身を除く): 639508740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 197, 260, 300, 325, 389, 390, 394, 591, 650, 778, 780, 788, 975, 985, 1167, 1182, 1300, 1556, 1945, 1950, 1970, 2334, 2364, 2561, 2955, 3890, 3900, 3940, 4668, 4925, 5057, 5122, 5835, 5910, 7683, 7780, 9725, 9850, 10114, 10244, 11670, 11820, 12805, 14775, 15171, 15366, 19450, 19700, 20228, 23340, 25285, 25610, 29175, 29550, 30342, 30732, 38415, 38900, 50570, 51220, 58350, 59100, 60684, 64025, 75855, 76633, 76830, 101140, 116700, 126425, 128050, 151710, 153266, 153660, 192075, 229899, 252850, 256100, 303420, 306532, 379275, 383165, 384150, 459798, 505700, 758550, 766330, 768300, 919596, 996229, 1149495, 1517100, 1532660, 1915825, 1992458, 2298990, 2988687, 3831650, 3984916, 4597980, 4981145, 5747475, 5977374, 7663300, 9962290, 11494950, 11954748, 14943435, 19924580, 22989900, 24905725, 29886870, 49811450, 59773740, 74717175, 99622900, 149434350, 298868700]

約数ペア:

[(1, 298868700), (2, 149434350), (3, 99622900), (4, 74717175), (5, 59773740), (6, 49811450), (10, 29886870), (12, 24905725), (13, 22989900), (15, 19924580), (20, 14943435), (25, 11954748), (26, 11494950), (30, 9962290), (39, 7663300), (50, 5977374), (52, 5747475), (60, 4981145), (65, 4597980), (75, 3984916), (78, 3831650), (100, 2988687), (130, 2298990), (150, 1992458), (156, 1915825), (195, 1532660), (197, 1517100), (260, 1149495), (300, 996229), (325, 919596), (389, 768300), (390, 766330), (394, 758550), (591, 505700), (650, 459798), (778, 384150), (780, 383165), (788, 379275), (975, 306532), (985, 303420), (1167, 256100), (1182, 252850), (1300, 229899), (1556, 192075), (1945, 153660), (1950, 153266), (1970, 151710), (2334, 128050), (2364, 126425), (2561, 116700), (2955, 101140), (3890, 76830), (3900, 76633), (3940, 75855), (4668, 64025), (4925, 60684), (5057, 59100), (5122, 58350), (5835, 51220), (5910, 50570), (7683, 38900), (7780, 38415), (9725, 30732), (9850, 30342), (10114, 29550), (10244, 29175), (11670, 25610), (11820, 25285), (12805, 23340), (14775, 20228), (15171, 19700), (15366, 19450)]