89467480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 210343680

約数和(自身を除く): 120876200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 991, 1220, 1480, 1982, 2257, 2440, 3964, 4514, 4955, 7928, 9028, 9910, 11285, 18056, 19820, 22570, 36667, 39640, 45140, 60451, 73334, 90280, 120902, 146668, 183335, 241804, 293336, 302255, 366670, 483608, 604510, 733340, 1209020, 1466680, 2236687, 2418040, 4473374, 8946748, 11183435, 17893496, 22366870, 44733740, 89467480]

約数ペア:

[(1, 89467480), (2, 44733740), (4, 22366870), (5, 17893496), (8, 11183435), (10, 8946748), (20, 4473374), (37, 2418040), (40, 2236687), (61, 1466680), (74, 1209020), (122, 733340), (148, 604510), (185, 483608), (244, 366670), (296, 302255), (305, 293336), (370, 241804), (488, 183335), (610, 146668), (740, 120902), (991, 90280), (1220, 73334), (1480, 60451), (1982, 45140), (2257, 39640), (2440, 36667), (3964, 22570), (4514, 19820), (4955, 18056), (7928, 11285), (9028, 9910)]