201209680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51329}}^1$

素因数の和:51356

約数の個数: 60

約数和(自身を含む): 544200660

約数和(自身を除く): 342990980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51329, 102658, 205316, 256645, 359303, 410632, 513290, 718606, 821264, 1026580, 1437212, 1796515, 2053160, 2515121, 2874424, 3593030, 4106320, 5030242, 5748848, 7186060, 10060484, 12575605, 14372120, 20120968, 25151210, 28744240, 40241936, 50302420, 100604840, 201209680]

約数ペア:

[(1, 201209680), (2, 100604840), (4, 50302420), (5, 40241936), (7, 28744240), (8, 25151210), (10, 20120968), (14, 14372120), (16, 12575605), (20, 10060484), (28, 7186060), (35, 5748848), (40, 5030242), (49, 4106320), (56, 3593030), (70, 2874424), (80, 2515121), (98, 2053160), (112, 1796515), (140, 1437212), (196, 1026580), (245, 821264), (280, 718606), (392, 513290), (490, 410632), (560, 359303), (784, 256645), (980, 205316), (1960, 102658), (3920, 51329)]