31789850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 63016800

約数和(自身を除く): 31226950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 307, 475, 545, 614, 950, 1090, 1535, 2071, 2725, 3070, 4142, 5450, 5833, 7675, 10355, 11666, 15350, 20710, 29165, 33463, 51775, 58330, 66926, 103550, 145825, 167315, 291650, 334630, 635797, 836575, 1271594, 1673150, 3178985, 6357970, 15894925, 31789850]

約数ペア:

[(1, 31789850), (2, 15894925), (5, 6357970), (10, 3178985), (19, 1673150), (25, 1271594), (38, 836575), (50, 635797), (95, 334630), (109, 291650), (190, 167315), (218, 145825), (307, 103550), (475, 66926), (545, 58330), (614, 51775), (950, 33463), (1090, 29165), (1535, 20710), (2071, 15350), (2725, 11666), (3070, 10355), (4142, 7675), (5450, 5833)]