165398420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39569}}^1$

素因数の和:39608

約数の個数: 48

約数和(自身を含む): 398865600

約数和(自身を除く): 233467180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 39569, 79138, 158276, 197845, 395690, 435259, 751811, 791380, 870518, 1503622, 1741036, 2176295, 3007244, 3759055, 4352590, 7518110, 8269921, 8705180, 15036220, 16539842, 33079684, 41349605, 82699210, 165398420]

約数ペア:

[(1, 165398420), (2, 82699210), (4, 41349605), (5, 33079684), (10, 16539842), (11, 15036220), (19, 8705180), (20, 8269921), (22, 7518110), (38, 4352590), (44, 3759055), (55, 3007244), (76, 2176295), (95, 1741036), (110, 1503622), (190, 870518), (209, 791380), (220, 751811), (380, 435259), (418, 395690), (836, 197845), (1045, 158276), (2090, 79138), (4180, 39569)]