3493750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 7218288

約数和(自身を除く): 3724538

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 215, 250, 325, 430, 559, 625, 650, 1075, 1118, 1250, 1625, 2150, 2795, 3125, 3250, 5375, 5590, 6250, 8125, 10750, 13975, 16250, 26875, 27950, 40625, 53750, 69875, 81250, 134375, 139750, 268750, 349375, 698750, 1746875, 3493750]

約数ペア:

[(1, 3493750), (2, 1746875), (5, 698750), (10, 349375), (13, 268750), (25, 139750), (26, 134375), (43, 81250), (50, 69875), (65, 53750), (86, 40625), (125, 27950), (130, 26875), (215, 16250), (250, 13975), (325, 10750), (430, 8125), (559, 6250), (625, 5590), (650, 5375), (1075, 3250), (1118, 3125), (1250, 2795), (1625, 2150)]