8397620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 24131520

約数和(自身を除く): 15733900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 41, 44, 49, 55, 70, 76, 77, 82, 95, 98, 110, 133, 140, 154, 164, 190, 196, 205, 209, 220, 245, 266, 287, 308, 380, 385, 410, 418, 451, 490, 532, 539, 574, 665, 770, 779, 820, 836, 902, 931, 980, 1045, 1078, 1148, 1330, 1435, 1463, 1540, 1558, 1804, 1862, 2009, 2090, 2156, 2255, 2660, 2695, 2870, 2926, 3116, 3157, 3724, 3895, 4018, 4180, 4510, 4655, 5390, 5453, 5740, 5852, 6314, 7315, 7790, 8036, 8569, 9020, 9310, 10045, 10241, 10780, 10906, 12628, 14630, 15580, 15785, 17138, 18620, 20090, 20482, 21812, 22099, 27265, 29260, 31570, 34276, 38171, 40180, 40964, 42845, 44198, 51205, 54530, 59983, 63140, 76342, 85690, 88396, 102410, 109060, 110495, 119966, 152684, 171380, 190855, 204820, 220990, 239932, 299915, 381710, 419881, 441980, 599830, 763420, 839762, 1199660, 1679524, 2099405, 4198810, 8397620]

約数ペア:

[(1, 8397620), (2, 4198810), (4, 2099405), (5, 1679524), (7, 1199660), (10, 839762), (11, 763420), (14, 599830), (19, 441980), (20, 419881), (22, 381710), (28, 299915), (35, 239932), (38, 220990), (41, 204820), (44, 190855), (49, 171380), (55, 152684), (70, 119966), (76, 110495), (77, 109060), (82, 102410), (95, 88396), (98, 85690), (110, 76342), (133, 63140), (140, 59983), (154, 54530), (164, 51205), (190, 44198), (196, 42845), (205, 40964), (209, 40180), (220, 38171), (245, 34276), (266, 31570), (287, 29260), (308, 27265), (380, 22099), (385, 21812), (410, 20482), (418, 20090), (451, 18620), (490, 17138), (532, 15785), (539, 15580), (574, 14630), (665, 12628), (770, 10906), (779, 10780), (820, 10241), (836, 10045), (902, 9310), (931, 9020), (980, 8569), (1045, 8036), (1078, 7790), (1148, 7315), (1330, 6314), (1435, 5852), (1463, 5740), (1540, 5453), (1558, 5390), (1804, 4655), (1862, 4510), (2009, 4180), (2090, 4018), (2156, 3895), (2255, 3724), (2660, 3157), (2695, 3116), (2870, 2926)]