2787366920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{315313}}^1$

素因数の和:315354

約数の個数: 64

約数和(自身を含む): 7151321520

約数和(自身を除く): 4363954600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 315313, 630626, 1261252, 1576565, 2522504, 3153130, 4099069, 5360321, 6306260, 8198138, 10720642, 12612520, 16396276, 20495345, 21441284, 26801605, 32792552, 40990690, 42882568, 53603210, 69684173, 81981380, 107206420, 139368346, 163962760, 214412840, 278736692, 348420865, 557473384, 696841730, 1393683460, 2787366920]

約数ペア:

[(1, 2787366920), (2, 1393683460), (4, 696841730), (5, 557473384), (8, 348420865), (10, 278736692), (13, 214412840), (17, 163962760), (20, 139368346), (26, 107206420), (34, 81981380), (40, 69684173), (52, 53603210), (65, 42882568), (68, 40990690), (85, 32792552), (104, 26801605), (130, 21441284), (136, 20495345), (170, 16396276), (221, 12612520), (260, 10720642), (340, 8198138), (442, 6306260), (520, 5360321), (680, 4099069), (884, 3153130), (1105, 2522504), (1768, 1576565), (2210, 1261252), (4420, 630626), (8840, 315313)]