69884980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4120

約数の個数: 48

約数和(自身を含む): 162167040

約数和(自身を除く): 92282060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4021, 4345, 8042, 8690, 16084, 17380, 20105, 40210, 44231, 80420, 88462, 176924, 221155, 317659, 442310, 635318, 884620, 1270636, 1588295, 3176590, 3494249, 6353180, 6988498, 13976996, 17471245, 34942490, 69884980]

約数ペア:

[(1, 69884980), (2, 34942490), (4, 17471245), (5, 13976996), (10, 6988498), (11, 6353180), (20, 3494249), (22, 3176590), (44, 1588295), (55, 1270636), (79, 884620), (110, 635318), (158, 442310), (220, 317659), (316, 221155), (395, 176924), (790, 88462), (869, 80420), (1580, 44231), (1738, 40210), (3476, 20105), (4021, 17380), (4345, 16084), (8042, 8690)]