245245360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43177}}^1$

素因数の和:43261

約数の個数: 40

約数和(自身を含む): 578239776

約数和(自身を除く): 332994416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 43177, 86354, 172708, 215885, 345416, 431770, 690832, 863540, 1727080, 3065567, 3454160, 6131134, 12262268, 15327835, 24524536, 30655670, 49049072, 61311340, 122622680, 245245360]

約数ペア:

[(1, 245245360), (2, 122622680), (4, 61311340), (5, 49049072), (8, 30655670), (10, 24524536), (16, 15327835), (20, 12262268), (40, 6131134), (71, 3454160), (80, 3065567), (142, 1727080), (284, 863540), (355, 690832), (568, 431770), (710, 345416), (1136, 215885), (1420, 172708), (2840, 86354), (5680, 43177)]