199597240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 464709600

約数和(自身を除く): 265112360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 314, 370, 628, 740, 785, 859, 1256, 1480, 1570, 1718, 3140, 3436, 4295, 5809, 6280, 6872, 8590, 11618, 17180, 23236, 29045, 31783, 34360, 46472, 58090, 63566, 116180, 127132, 134863, 158915, 232360, 254264, 269726, 317830, 539452, 635660, 674315, 1078904, 1271320, 1348630, 2697260, 4989931, 5394520, 9979862, 19959724, 24949655, 39919448, 49899310, 99798620, 199597240]

約数ペア:

[(1, 199597240), (2, 99798620), (4, 49899310), (5, 39919448), (8, 24949655), (10, 19959724), (20, 9979862), (37, 5394520), (40, 4989931), (74, 2697260), (148, 1348630), (157, 1271320), (185, 1078904), (296, 674315), (314, 635660), (370, 539452), (628, 317830), (740, 269726), (785, 254264), (859, 232360), (1256, 158915), (1480, 134863), (1570, 127132), (1718, 116180), (3140, 63566), (3436, 58090), (4295, 46472), (5809, 34360), (6280, 31783), (6872, 29045), (8590, 23236), (11618, 17180)]