183779240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 422962560

約数和(自身を除く): 239183320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 397, 568, 652, 710, 794, 815, 1304, 1420, 1588, 1630, 1985, 2840, 3176, 3260, 3970, 6520, 7940, 11573, 15880, 23146, 28187, 46292, 56374, 57865, 64711, 92584, 112748, 115730, 129422, 140935, 225496, 231460, 258844, 281870, 323555, 462920, 517688, 563740, 647110, 1127480, 1294220, 2588440, 4594481, 9188962, 18377924, 22972405, 36755848, 45944810, 91889620, 183779240]

約数ペア:

[(1, 183779240), (2, 91889620), (4, 45944810), (5, 36755848), (8, 22972405), (10, 18377924), (20, 9188962), (40, 4594481), (71, 2588440), (142, 1294220), (163, 1127480), (284, 647110), (326, 563740), (355, 517688), (397, 462920), (568, 323555), (652, 281870), (710, 258844), (794, 231460), (815, 225496), (1304, 140935), (1420, 129422), (1588, 115730), (1630, 112748), (1985, 92584), (2840, 64711), (3176, 57865), (3260, 56374), (3970, 46292), (6520, 28187), (7940, 23146), (11573, 15880)]