392920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 1036800

約数和(自身を除く): 643880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 110, 152, 188, 190, 209, 220, 235, 376, 380, 418, 440, 470, 517, 760, 836, 893, 940, 1034, 1045, 1672, 1786, 1880, 2068, 2090, 2585, 3572, 4136, 4180, 4465, 5170, 7144, 8360, 8930, 9823, 10340, 17860, 19646, 20680, 35720, 39292, 49115, 78584, 98230, 196460, 392920]

約数ペア:

[(1, 392920), (2, 196460), (4, 98230), (5, 78584), (8, 49115), (10, 39292), (11, 35720), (19, 20680), (20, 19646), (22, 17860), (38, 10340), (40, 9823), (44, 8930), (47, 8360), (55, 7144), (76, 5170), (88, 4465), (94, 4180), (95, 4136), (110, 3572), (152, 2585), (188, 2090), (190, 2068), (209, 1880), (220, 1786), (235, 1672), (376, 1045), (380, 1034), (418, 940), (440, 893), (470, 836), (517, 760)]