78454280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 108169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1439, 1880, 2726, 2878, 5452, 5756, 6815, 7195, 10904, 11512, 13630, 14390, 27260, 28780, 41731, 54520, 57560, 67633, 83462, 135266, 166924, 208655, 270532, 333848, 338165, 417310, 541064, 676330, 834620, 1352660, 1669240, 1961357, 2705320, 3922714, 7845428, 9806785, 15690856, 19613570, 39227140, 78454280]

約数ペア:

[(1, 78454280), (2, 39227140), (4, 19613570), (5, 15690856), (8, 9806785), (10, 7845428), (20, 3922714), (29, 2705320), (40, 1961357), (47, 1669240), (58, 1352660), (94, 834620), (116, 676330), (145, 541064), (188, 417310), (232, 338165), (235, 333848), (290, 270532), (376, 208655), (470, 166924), (580, 135266), (940, 83462), (1160, 67633), (1363, 57560), (1439, 54520), (1880, 41731), (2726, 28780), (2878, 27260), (5452, 14390), (5756, 13630), (6815, 11512), (7195, 10904)]