899165540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15997

約数の個数: 96

約数和(自身を含む): 2399115264

約数和(自身を除く): 1499949724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 5642, 8060, 11284, 14105, 15937, 28210, 31874, 56420, 63748, 79685, 111559, 159370, 207181, 223118, 318740, 414362, 446236, 494047, 557795, 828724, 988094, 1035905, 1115590, 1450267, 1976188, 2071810, 2231180, 2470235, 2900534, 3458329, 4143620, 4940470, 5801068, 6422611, 6916658, 7251335, 9880940, 12845222, 13833316, 14502670, 17291645, 25690444, 29005340, 32113055, 34583290, 44958277, 64226110, 69166580, 89916554, 128452220, 179833108, 224791385, 449582770, 899165540]

約数ペア:

[(1, 899165540), (2, 449582770), (4, 224791385), (5, 179833108), (7, 128452220), (10, 89916554), (13, 69166580), (14, 64226110), (20, 44958277), (26, 34583290), (28, 32113055), (31, 29005340), (35, 25690444), (52, 17291645), (62, 14502670), (65, 13833316), (70, 12845222), (91, 9880940), (124, 7251335), (130, 6916658), (140, 6422611), (155, 5801068), (182, 4940470), (217, 4143620), (260, 3458329), (310, 2900534), (364, 2470235), (403, 2231180), (434, 2071810), (455, 1976188), (620, 1450267), (806, 1115590), (868, 1035905), (910, 988094), (1085, 828724), (1612, 557795), (1820, 494047), (2015, 446236), (2170, 414362), (2821, 318740), (4030, 223118), (4340, 207181), (5642, 159370), (8060, 111559), (11284, 79685), (14105, 63748), (15937, 56420), (28210, 31874)]