2891524220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{654191}}^1$

素因数の和:654230

約数の個数: 48

約数和(自身を含む): 6923968128

約数和(自身を除く): 4032443908

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 654191, 1308382, 2616764, 3270955, 6541910, 8504483, 11121247, 13083820, 17008966, 22242494, 34017932, 42522415, 44484988, 55606235, 85044830, 111212470, 144576211, 170089660, 222424940, 289152422, 578304844, 722881055, 1445762110, 2891524220]

約数ペア:

[(1, 2891524220), (2, 1445762110), (4, 722881055), (5, 578304844), (10, 289152422), (13, 222424940), (17, 170089660), (20, 144576211), (26, 111212470), (34, 85044830), (52, 55606235), (65, 44484988), (68, 42522415), (85, 34017932), (130, 22242494), (170, 17008966), (221, 13083820), (260, 11121247), (340, 8504483), (442, 6541910), (884, 3270955), (1105, 2616764), (2210, 1308382), (4420, 654191)]