68966920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 173456640

約数和(自身を除く): 104489720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 3823, 4510, 7646, 9020, 15292, 18040, 19115, 30584, 38230, 42053, 76460, 84106, 152920, 156743, 168212, 210265, 313486, 336424, 420530, 626972, 783715, 841060, 1253944, 1567430, 1682120, 1724173, 3134860, 3448346, 6269720, 6896692, 8620865, 13793384, 17241730, 34483460, 68966920]

約数ペア:

[(1, 68966920), (2, 34483460), (4, 17241730), (5, 13793384), (8, 8620865), (10, 6896692), (11, 6269720), (20, 3448346), (22, 3134860), (40, 1724173), (41, 1682120), (44, 1567430), (55, 1253944), (82, 841060), (88, 783715), (110, 626972), (164, 420530), (205, 336424), (220, 313486), (328, 210265), (410, 168212), (440, 156743), (451, 152920), (820, 84106), (902, 76460), (1640, 42053), (1804, 38230), (2255, 30584), (3608, 19115), (3823, 18040), (4510, 15292), (7646, 9020)]