989165500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 2224272960

約数和(自身を除く): 1235107460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 163, 212, 229, 250, 265, 326, 458, 500, 530, 652, 815, 916, 1060, 1145, 1325, 1630, 2290, 2650, 3260, 4075, 4580, 5300, 5725, 6625, 8150, 8639, 11450, 12137, 13250, 16300, 17278, 20375, 22900, 24274, 26500, 28625, 34556, 37327, 40750, 43195, 48548, 57250, 60685, 74654, 81500, 86390, 114500, 121370, 149308, 172780, 186635, 215975, 242740, 303425, 373270, 431950, 606850, 746540, 863900, 933175, 1079875, 1213700, 1517125, 1866350, 1978331, 2159750, 3034250, 3732700, 3956662, 4319500, 4665875, 6068500, 7913324, 9331750, 9891655, 18663500, 19783310, 39566620, 49458275, 98916550, 197833100, 247291375, 494582750, 989165500]

約数ペア:

[(1, 989165500), (2, 494582750), (4, 247291375), (5, 197833100), (10, 98916550), (20, 49458275), (25, 39566620), (50, 19783310), (53, 18663500), (100, 9891655), (106, 9331750), (125, 7913324), (163, 6068500), (212, 4665875), (229, 4319500), (250, 3956662), (265, 3732700), (326, 3034250), (458, 2159750), (500, 1978331), (530, 1866350), (652, 1517125), (815, 1213700), (916, 1079875), (1060, 933175), (1145, 863900), (1325, 746540), (1630, 606850), (2290, 431950), (2650, 373270), (3260, 303425), (4075, 242740), (4580, 215975), (5300, 186635), (5725, 172780), (6625, 149308), (8150, 121370), (8639, 114500), (11450, 86390), (12137, 81500), (13250, 74654), (16300, 60685), (17278, 57250), (20375, 48548), (22900, 43195), (24274, 40750), (26500, 37327), (28625, 34556)]