194440040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 456820560

約数和(自身を除く): 262380520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 820, 1060, 1640, 2120, 2173, 2237, 4346, 4474, 8692, 8948, 10865, 11185, 17384, 17896, 21730, 22370, 43460, 44740, 86920, 89480, 91717, 118561, 183434, 237122, 366868, 458585, 474244, 592805, 733736, 917170, 948488, 1185610, 1834340, 2371220, 3668680, 4742440, 4861001, 9722002, 19444004, 24305005, 38888008, 48610010, 97220020, 194440040]

約数ペア:

[(1, 194440040), (2, 97220020), (4, 48610010), (5, 38888008), (8, 24305005), (10, 19444004), (20, 9722002), (40, 4861001), (41, 4742440), (53, 3668680), (82, 2371220), (106, 1834340), (164, 1185610), (205, 948488), (212, 917170), (265, 733736), (328, 592805), (410, 474244), (424, 458585), (530, 366868), (820, 237122), (1060, 183434), (1640, 118561), (2120, 91717), (2173, 89480), (2237, 86920), (4346, 44740), (4474, 43460), (8692, 22370), (8948, 21730), (10865, 17896), (11185, 17384)]