65858890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 130014720

約数和(自身を除く): 64155830

約数列:

[1, 2, 5, 10, 23, 37, 46, 71, 74, 109, 115, 142, 185, 218, 230, 355, 370, 545, 710, 851, 1090, 1633, 1702, 2507, 2627, 3266, 4033, 4255, 5014, 5254, 7739, 8066, 8165, 8510, 12535, 13135, 15478, 16330, 20165, 25070, 26270, 38695, 40330, 60421, 77390, 92759, 120842, 177997, 185518, 286343, 302105, 355994, 463795, 572686, 604210, 889985, 927590, 1431715, 1779970, 2863430, 6585889, 13171778, 32929445, 65858890]

約数ペア:

[(1, 65858890), (2, 32929445), (5, 13171778), (10, 6585889), (23, 2863430), (37, 1779970), (46, 1431715), (71, 927590), (74, 889985), (109, 604210), (115, 572686), (142, 463795), (185, 355994), (218, 302105), (230, 286343), (355, 185518), (370, 177997), (545, 120842), (710, 92759), (851, 77390), (1090, 60421), (1633, 40330), (1702, 38695), (2507, 26270), (2627, 25070), (3266, 20165), (4033, 16330), (4255, 15478), (5014, 13135), (5254, 12535), (7739, 8510), (8066, 8165)]