22421780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 49835520

約数和(自身を除く): 27413740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 617, 790, 1234, 1580, 1817, 2468, 3085, 3634, 6170, 7268, 9085, 12340, 14191, 18170, 28382, 36340, 48743, 56764, 70955, 97486, 141910, 194972, 243715, 283820, 487430, 974860, 1121089, 2242178, 4484356, 5605445, 11210890, 22421780]

約数ペア:

[(1, 22421780), (2, 11210890), (4, 5605445), (5, 4484356), (10, 2242178), (20, 1121089), (23, 974860), (46, 487430), (79, 283820), (92, 243715), (115, 194972), (158, 141910), (230, 97486), (316, 70955), (395, 56764), (460, 48743), (617, 36340), (790, 28382), (1234, 18170), (1580, 14191), (1817, 12340), (2468, 9085), (3085, 7268), (3634, 6170)]