221631800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{85243}}^1$

素因数の和:85272

約数の個数: 48

約数和(自身を含む): 554938440

約数和(自身を除く): 333306640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 85243, 170486, 340972, 426215, 681944, 852430, 1108159, 1704860, 2131075, 2216318, 3409720, 4262150, 4432636, 5540795, 8524300, 8865272, 11081590, 17048600, 22163180, 27703975, 44326360, 55407950, 110815900, 221631800]

約数ペア:

[(1, 221631800), (2, 110815900), (4, 55407950), (5, 44326360), (8, 27703975), (10, 22163180), (13, 17048600), (20, 11081590), (25, 8865272), (26, 8524300), (40, 5540795), (50, 4432636), (52, 4262150), (65, 3409720), (100, 2216318), (104, 2131075), (130, 1704860), (200, 1108159), (260, 852430), (325, 681944), (520, 426215), (650, 340972), (1300, 170486), (2600, 85243)]