90811270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 185670144

約数和(自身を除く): 94858874

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 73, 86, 110, 146, 215, 263, 365, 430, 473, 526, 730, 803, 946, 1315, 1606, 2365, 2630, 2893, 3139, 4015, 4730, 5786, 6278, 8030, 11309, 14465, 15695, 19199, 22618, 28930, 31390, 34529, 38398, 56545, 69058, 95995, 113090, 124399, 172645, 191990, 211189, 248798, 345290, 422378, 621995, 825557, 1055945, 1243990, 1651114, 2111890, 4127785, 8255570, 9081127, 18162254, 45405635, 90811270]

約数ペア:

[(1, 90811270), (2, 45405635), (5, 18162254), (10, 9081127), (11, 8255570), (22, 4127785), (43, 2111890), (55, 1651114), (73, 1243990), (86, 1055945), (110, 825557), (146, 621995), (215, 422378), (263, 345290), (365, 248798), (430, 211189), (473, 191990), (526, 172645), (730, 124399), (803, 113090), (946, 95995), (1315, 69058), (1606, 56545), (2365, 38398), (2630, 34529), (2893, 31390), (3139, 28930), (4015, 22618), (4730, 19199), (5786, 15695), (6278, 14465), (8030, 11309)]