138412460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 296352000

約数和(自身を除く): 157939540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 199, 332, 398, 415, 419, 796, 830, 838, 995, 1660, 1676, 1990, 2095, 3980, 4190, 8380, 16517, 33034, 34777, 66068, 69554, 82585, 83381, 139108, 165170, 166762, 173885, 330340, 333524, 347770, 416905, 695540, 833810, 1667620, 6920623, 13841246, 27682492, 34603115, 69206230, 138412460]

約数ペア:

[(1, 138412460), (2, 69206230), (4, 34603115), (5, 27682492), (10, 13841246), (20, 6920623), (83, 1667620), (166, 833810), (199, 695540), (332, 416905), (398, 347770), (415, 333524), (419, 330340), (796, 173885), (830, 166762), (838, 165170), (995, 139108), (1660, 83381), (1676, 82585), (1990, 69554), (2095, 66068), (3980, 34777), (4190, 33034), (8380, 16517)]