178378420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 429649920

約数和(自身を除く): 251271500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 73, 110, 116, 145, 146, 220, 290, 292, 319, 365, 383, 580, 638, 730, 766, 803, 1276, 1460, 1532, 1595, 1606, 1915, 2117, 3190, 3212, 3830, 4015, 4213, 4234, 6380, 7660, 8030, 8426, 8468, 10585, 11107, 16060, 16852, 21065, 21170, 22214, 23287, 27959, 42130, 42340, 44428, 46574, 55535, 55918, 84260, 93148, 111070, 111836, 116435, 122177, 139795, 222140, 232870, 244354, 279590, 307549, 465740, 488708, 559180, 610885, 615098, 810811, 1221770, 1230196, 1537745, 1621622, 2443540, 3075490, 3243244, 4054055, 6150980, 8108110, 8918921, 16216220, 17837842, 35675684, 44594605, 89189210, 178378420]

約数ペア:

[(1, 178378420), (2, 89189210), (4, 44594605), (5, 35675684), (10, 17837842), (11, 16216220), (20, 8918921), (22, 8108110), (29, 6150980), (44, 4054055), (55, 3243244), (58, 3075490), (73, 2443540), (110, 1621622), (116, 1537745), (145, 1230196), (146, 1221770), (220, 810811), (290, 615098), (292, 610885), (319, 559180), (365, 488708), (383, 465740), (580, 307549), (638, 279590), (730, 244354), (766, 232870), (803, 222140), (1276, 139795), (1460, 122177), (1532, 116435), (1595, 111836), (1606, 111070), (1915, 93148), (2117, 84260), (3190, 55918), (3212, 55535), (3830, 46574), (4015, 44428), (4213, 42340), (4234, 42130), (6380, 27959), (7660, 23287), (8030, 22214), (8426, 21170), (8468, 21065), (10585, 16852), (11107, 16060)]