68216980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4447}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 156925440

約数和(自身を除く): 88708460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 4447, 7670, 8894, 15340, 17788, 22235, 44470, 57811, 88940, 115622, 231244, 262373, 289055, 524746, 578110, 1049492, 1156220, 1311865, 2623730, 3410849, 5247460, 6821698, 13643396, 17054245, 34108490, 68216980]

約数ペア:

[(1, 68216980), (2, 34108490), (4, 17054245), (5, 13643396), (10, 6821698), (13, 5247460), (20, 3410849), (26, 2623730), (52, 1311865), (59, 1156220), (65, 1049492), (118, 578110), (130, 524746), (236, 289055), (260, 262373), (295, 231244), (590, 115622), (767, 88940), (1180, 57811), (1534, 44470), (3068, 22235), (3835, 17788), (4447, 15340), (7670, 8894)]