388923040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20089}}^1$

素因数の和:20126

約数の個数: 72

約数和(自身を含む): 1010004660

約数和(自身を除く): 621081620

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 20089, 40178, 80356, 100445, 160712, 200890, 220979, 321424, 401780, 441958, 642848, 803560, 883916, 1104895, 1607120, 1767832, 2209790, 2430769, 3214240, 3535664, 4419580, 4861538, 7071328, 8839160, 9723076, 12153845, 17678320, 19446152, 24307690, 35356640, 38892304, 48615380, 77784608, 97230760, 194461520, 388923040]

約数ペア:

[(1, 388923040), (2, 194461520), (4, 97230760), (5, 77784608), (8, 48615380), (10, 38892304), (11, 35356640), (16, 24307690), (20, 19446152), (22, 17678320), (32, 12153845), (40, 9723076), (44, 8839160), (55, 7071328), (80, 4861538), (88, 4419580), (110, 3535664), (121, 3214240), (160, 2430769), (176, 2209790), (220, 1767832), (242, 1607120), (352, 1104895), (440, 883916), (484, 803560), (605, 642848), (880, 441958), (968, 401780), (1210, 321424), (1760, 220979), (1936, 200890), (2420, 160712), (3872, 100445), (4840, 80356), (9680, 40178), (19360, 20089)]