380042680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 891324000

約数和(自身を除く): 511281320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 556, 580, 695, 1112, 1160, 1390, 2357, 2780, 4031, 4714, 5560, 8062, 9428, 11785, 16124, 18856, 20155, 23570, 32248, 40310, 47140, 68353, 80620, 94280, 136706, 161240, 273412, 327623, 341765, 546824, 655246, 683530, 1310492, 1367060, 1638115, 2620984, 2734120, 3276230, 6552460, 9501067, 13104920, 19002134, 38004268, 47505335, 76008536, 95010670, 190021340, 380042680]

約数ペア:

[(1, 380042680), (2, 190021340), (4, 95010670), (5, 76008536), (8, 47505335), (10, 38004268), (20, 19002134), (29, 13104920), (40, 9501067), (58, 6552460), (116, 3276230), (139, 2734120), (145, 2620984), (232, 1638115), (278, 1367060), (290, 1310492), (556, 683530), (580, 655246), (695, 546824), (1112, 341765), (1160, 327623), (1390, 273412), (2357, 161240), (2780, 136706), (4031, 94280), (4714, 80620), (5560, 68353), (8062, 47140), (9428, 40310), (11785, 32248), (16124, 23570), (18856, 20155)]