491519480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2801}}^1$

素因数の和:2960

約数の個数: 64

約数和(自身を含む): 1143888480

約数和(自身を除く): 652369000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 328, 410, 428, 535, 820, 856, 1070, 1640, 2140, 2801, 4280, 4387, 5602, 8774, 11204, 14005, 17548, 21935, 22408, 28010, 35096, 43870, 56020, 87740, 112040, 114841, 175480, 229682, 299707, 459364, 574205, 599414, 918728, 1148410, 1198828, 1498535, 2296820, 2397656, 2997070, 4593640, 5994140, 11988280, 12287987, 24575974, 49151948, 61439935, 98303896, 122879870, 245759740, 491519480]

約数ペア:

[(1, 491519480), (2, 245759740), (4, 122879870), (5, 98303896), (8, 61439935), (10, 49151948), (20, 24575974), (40, 12287987), (41, 11988280), (82, 5994140), (107, 4593640), (164, 2997070), (205, 2397656), (214, 2296820), (328, 1498535), (410, 1198828), (428, 1148410), (535, 918728), (820, 599414), (856, 574205), (1070, 459364), (1640, 299707), (2140, 229682), (2801, 175480), (4280, 114841), (4387, 112040), (5602, 87740), (8774, 56020), (11204, 43870), (14005, 35096), (17548, 28010), (21935, 22408)]