68288350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3445

約数の個数: 48

約数和(自身を含む): 141240960

約数和(自身を除く): 72952610

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 3389, 4030, 6778, 10075, 16945, 20150, 33890, 44057, 84725, 88114, 105059, 169450, 210118, 220285, 440570, 525295, 1050590, 1101425, 1365767, 2202850, 2626475, 2731534, 5252950, 6828835, 13657670, 34144175, 68288350]

約数ペア:

[(1, 68288350), (2, 34144175), (5, 13657670), (10, 6828835), (13, 5252950), (25, 2731534), (26, 2626475), (31, 2202850), (50, 1365767), (62, 1101425), (65, 1050590), (130, 525295), (155, 440570), (310, 220285), (325, 210118), (403, 169450), (650, 105059), (775, 88114), (806, 84725), (1550, 44057), (2015, 33890), (3389, 20150), (4030, 16945), (6778, 10075)]