908290220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{15601}}^1$

素因数の和:15722

約数の個数: 48

約数和(自身を含む): 1981578816

約数和(自身を除く): 1073288596

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 11644, 14555, 15601, 29110, 31202, 58220, 62404, 78005, 156010, 312020, 639641, 1107671, 1279282, 2215342, 2558564, 3198205, 4430684, 5538355, 6396410, 11076710, 12792820, 22153420, 45414511, 90829022, 181658044, 227072555, 454145110, 908290220]

約数ペア:

[(1, 908290220), (2, 454145110), (4, 227072555), (5, 181658044), (10, 90829022), (20, 45414511), (41, 22153420), (71, 12792820), (82, 11076710), (142, 6396410), (164, 5538355), (205, 4430684), (284, 3198205), (355, 2558564), (410, 2215342), (710, 1279282), (820, 1107671), (1420, 639641), (2911, 312020), (5822, 156010), (11644, 78005), (14555, 62404), (15601, 58220), (29110, 31202)]