203428820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2533

約数の個数: 96

約数和(自身を含む): 530718720

約数和(自身を除く): 327289900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2467, 2660, 2945, 4123, 4340, 4934, 5890, 8246, 9868, 11780, 12335, 16492, 17269, 20615, 24670, 34538, 41230, 46873, 49340, 69076, 76477, 82460, 86345, 93746, 152954, 172690, 187492, 234365, 305908, 328111, 345380, 382385, 468730, 535339, 656222, 764770, 937460, 1070678, 1312444, 1453063, 1529540, 1640555, 2141356, 2676695, 2906126, 3281110, 5353390, 5812252, 6562220, 7265315, 10171441, 10706780, 14530630, 20342882, 29061260, 40685764, 50857205, 101714410, 203428820]

約数ペア:

[(1, 203428820), (2, 101714410), (4, 50857205), (5, 40685764), (7, 29061260), (10, 20342882), (14, 14530630), (19, 10706780), (20, 10171441), (28, 7265315), (31, 6562220), (35, 5812252), (38, 5353390), (62, 3281110), (70, 2906126), (76, 2676695), (95, 2141356), (124, 1640555), (133, 1529540), (140, 1453063), (155, 1312444), (190, 1070678), (217, 937460), (266, 764770), (310, 656222), (380, 535339), (434, 468730), (532, 382385), (589, 345380), (620, 328111), (665, 305908), (868, 234365), (1085, 187492), (1178, 172690), (1330, 152954), (2170, 93746), (2356, 86345), (2467, 82460), (2660, 76477), (2945, 69076), (4123, 49340), (4340, 46873), (4934, 41230), (5890, 34538), (8246, 24670), (9868, 20615), (11780, 17269), (12335, 16492)]