389936030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 796884480

約数和(自身を除く): 406948450

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 251, 290, 319, 487, 502, 638, 974, 1255, 1595, 2435, 2510, 2761, 3190, 4870, 5357, 5522, 7279, 10714, 13805, 14123, 14558, 26785, 27610, 28246, 36395, 53570, 70615, 72790, 80069, 122237, 141230, 155353, 160138, 244474, 310706, 400345, 611185, 776765, 800690, 1222370, 1344607, 1553530, 2689214, 3544873, 6723035, 7089746, 13446070, 17724365, 35448730, 38993603, 77987206, 194968015, 389936030]

約数ペア:

[(1, 389936030), (2, 194968015), (5, 77987206), (10, 38993603), (11, 35448730), (22, 17724365), (29, 13446070), (55, 7089746), (58, 6723035), (110, 3544873), (145, 2689214), (251, 1553530), (290, 1344607), (319, 1222370), (487, 800690), (502, 776765), (638, 611185), (974, 400345), (1255, 310706), (1595, 244474), (2435, 160138), (2510, 155353), (2761, 141230), (3190, 122237), (4870, 80069), (5357, 72790), (5522, 70615), (7279, 53570), (10714, 36395), (13805, 28246), (14123, 27610), (14558, 26785)]