8458940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 22063104

約数和(自身を除く): 13604164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 71, 74, 92, 115, 140, 142, 148, 161, 185, 230, 259, 284, 322, 355, 370, 460, 497, 518, 644, 710, 740, 805, 851, 994, 1036, 1295, 1420, 1610, 1633, 1702, 1988, 2485, 2590, 2627, 3220, 3266, 3404, 4255, 4970, 5180, 5254, 5957, 6532, 8165, 8510, 9940, 10508, 11431, 11914, 13135, 16330, 17020, 18389, 22862, 23828, 26270, 29785, 32660, 36778, 45724, 52540, 57155, 59570, 60421, 73556, 91945, 114310, 119140, 120842, 183890, 228620, 241684, 302105, 367780, 422947, 604210, 845894, 1208420, 1691788, 2114735, 4229470, 8458940]

約数ペア:

[(1, 8458940), (2, 4229470), (4, 2114735), (5, 1691788), (7, 1208420), (10, 845894), (14, 604210), (20, 422947), (23, 367780), (28, 302105), (35, 241684), (37, 228620), (46, 183890), (70, 120842), (71, 119140), (74, 114310), (92, 91945), (115, 73556), (140, 60421), (142, 59570), (148, 57155), (161, 52540), (185, 45724), (230, 36778), (259, 32660), (284, 29785), (322, 26270), (355, 23828), (370, 22862), (460, 18389), (497, 17020), (518, 16330), (644, 13135), (710, 11914), (740, 11431), (805, 10508), (851, 9940), (994, 8510), (1036, 8165), (1295, 6532), (1420, 5957), (1610, 5254), (1633, 5180), (1702, 4970), (1988, 4255), (2485, 3404), (2590, 3266), (2627, 3220)]