290438240

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10141}}^1$

素因数の和:10335

約数の個数: 48

約数和(自身を含む): 690061680

約数和(自身を除く): 399623440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 10141, 14320, 20282, 28640, 40564, 50705, 81128, 101410, 162256, 202820, 324512, 405640, 811280, 1622560, 1815239, 3630478, 7260956, 9076195, 14521912, 18152390, 29043824, 36304780, 58087648, 72609560, 145219120, 290438240]

約数ペア:

[(1, 290438240), (2, 145219120), (4, 72609560), (5, 58087648), (8, 36304780), (10, 29043824), (16, 18152390), (20, 14521912), (32, 9076195), (40, 7260956), (80, 3630478), (160, 1815239), (179, 1622560), (358, 811280), (716, 405640), (895, 324512), (1432, 202820), (1790, 162256), (2864, 101410), (3580, 81128), (5728, 50705), (7160, 40564), (10141, 28640), (14320, 20282)]