356943920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 862897152

約数和(自身を除く): 505953232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 883, 1240, 1304, 1630, 1766, 2480, 2608, 3260, 3532, 4415, 5053, 6520, 7064, 8830, 10106, 13040, 14128, 17660, 20212, 25265, 27373, 35320, 40424, 50530, 54746, 70640, 80848, 101060, 109492, 136865, 143929, 202120, 218984, 273730, 287858, 404240, 437968, 547460, 575716, 719645, 1094920, 1151432, 1439290, 2189840, 2302864, 2878580, 4461799, 5757160, 8923598, 11514320, 17847196, 22308995, 35694392, 44617990, 71388784, 89235980, 178471960, 356943920]

約数ペア:

[(1, 356943920), (2, 178471960), (4, 89235980), (5, 71388784), (8, 44617990), (10, 35694392), (16, 22308995), (20, 17847196), (31, 11514320), (40, 8923598), (62, 5757160), (80, 4461799), (124, 2878580), (155, 2302864), (163, 2189840), (248, 1439290), (310, 1151432), (326, 1094920), (496, 719645), (620, 575716), (652, 547460), (815, 437968), (883, 404240), (1240, 287858), (1304, 273730), (1630, 218984), (1766, 202120), (2480, 143929), (2608, 136865), (3260, 109492), (3532, 101060), (4415, 80848), (5053, 70640), (6520, 54746), (7064, 50530), (8830, 40424), (10106, 35320), (13040, 27373), (14128, 25265), (17660, 20212)]