28377080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 41606920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1439, 1972, 2465, 2878, 3944, 4930, 5756, 7195, 9860, 11512, 14390, 19720, 24463, 28780, 41731, 48926, 57560, 83462, 97852, 122315, 166924, 195704, 208655, 244630, 333848, 417310, 489260, 709427, 834620, 978520, 1418854, 1669240, 2837708, 3547135, 5675416, 7094270, 14188540, 28377080]

約数ペア:

[(1, 28377080), (2, 14188540), (4, 7094270), (5, 5675416), (8, 3547135), (10, 2837708), (17, 1669240), (20, 1418854), (29, 978520), (34, 834620), (40, 709427), (58, 489260), (68, 417310), (85, 333848), (116, 244630), (136, 208655), (145, 195704), (170, 166924), (232, 122315), (290, 97852), (340, 83462), (493, 57560), (580, 48926), (680, 41731), (986, 28780), (1160, 24463), (1439, 19720), (1972, 14390), (2465, 11512), (2878, 9860), (3944, 7195), (4930, 5756)]