280703620

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 597219840

約数和(自身を除く): 316516220

約数列:

[1, 2, 4, 5, 10, 20, 167, 229, 334, 367, 458, 668, 734, 835, 916, 1145, 1468, 1670, 1835, 2290, 3340, 3670, 4580, 7340, 38243, 61289, 76486, 84043, 122578, 152972, 168086, 191215, 245156, 306445, 336172, 382430, 420215, 612890, 764860, 840430, 1225780, 1680860, 14035181, 28070362, 56140724, 70175905, 140351810, 280703620]

約数ペア:

[(1, 280703620), (2, 140351810), (4, 70175905), (5, 56140724), (10, 28070362), (20, 14035181), (167, 1680860), (229, 1225780), (334, 840430), (367, 764860), (458, 612890), (668, 420215), (734, 382430), (835, 336172), (916, 306445), (1145, 245156), (1468, 191215), (1670, 168086), (1835, 152972), (2290, 122578), (3340, 84043), (3670, 76486), (4580, 61289), (7340, 38243)]