395747320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 907200000

約数和(自身を除く): 511452680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 199, 332, 398, 415, 599, 664, 796, 830, 995, 1198, 1592, 1660, 1990, 2396, 2995, 3320, 3980, 4792, 5990, 7960, 11980, 16517, 23960, 33034, 49717, 66068, 82585, 99434, 119201, 132136, 165170, 198868, 238402, 248585, 330340, 397736, 476804, 497170, 596005, 660680, 953608, 994340, 1192010, 1988680, 2384020, 4768040, 9893683, 19787366, 39574732, 49468415, 79149464, 98936830, 197873660, 395747320]

約数ペア:

[(1, 395747320), (2, 197873660), (4, 98936830), (5, 79149464), (8, 49468415), (10, 39574732), (20, 19787366), (40, 9893683), (83, 4768040), (166, 2384020), (199, 1988680), (332, 1192010), (398, 994340), (415, 953608), (599, 660680), (664, 596005), (796, 497170), (830, 476804), (995, 397736), (1198, 330340), (1592, 248585), (1660, 238402), (1990, 198868), (2396, 165170), (2995, 132136), (3320, 119201), (3980, 99434), (4792, 82585), (5990, 66068), (7960, 49717), (11980, 33034), (16517, 23960)]