208702999280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6703}}^1\times {\mathrm{4373}}^1$

素因数の和:11178

約数の個数: 80

約数和(自身を含む): 490871975040

約数和(自身を除く): 282168975760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 4373, 6703, 7120, 8746, 13406, 17492, 21865, 26812, 33515, 34984, 43730, 53624, 67030, 69968, 87460, 107248, 134060, 174920, 268120, 349840, 389197, 536240, 596567, 778394, 1193134, 1556788, 1945985, 2386268, 2982835, 3113576, 3891970, 4772536, 5965670, 6227152, 7783940, 9545072, 11931340, 15567880, 23862680, 29312219, 31135760, 47725360, 58624438, 117248876, 146561095, 234497752, 293122190, 468995504, 586244380, 1172488760, 2344977520, 2608787491, 5217574982, 10435149964, 13043937455, 20870299928, 26087874910, 41740599856, 52175749820, 104351499640, 208702999280]

約数ペア:

[(1, 208702999280), (2, 104351499640), (4, 52175749820), (5, 41740599856), (8, 26087874910), (10, 20870299928), (16, 13043937455), (20, 10435149964), (40, 5217574982), (80, 2608787491), (89, 2344977520), (178, 1172488760), (356, 586244380), (445, 468995504), (712, 293122190), (890, 234497752), (1424, 146561095), (1780, 117248876), (3560, 58624438), (4373, 47725360), (6703, 31135760), (7120, 29312219), (8746, 23862680), (13406, 15567880), (17492, 11931340), (21865, 9545072), (26812, 7783940), (33515, 6227152), (34984, 5965670), (43730, 4772536), (53624, 3891970), (67030, 3113576), (69968, 2982835), (87460, 2386268), (107248, 1945985), (134060, 1556788), (174920, 1193134), (268120, 778394), (349840, 596567), (389197, 536240)]