162356140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 364845600

約数和(自身を除く): 202489460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 199, 226, 361, 380, 398, 452, 565, 722, 796, 995, 1130, 1444, 1805, 1990, 2147, 2260, 3610, 3781, 3980, 4294, 7220, 7562, 8588, 10735, 15124, 18905, 21470, 22487, 37810, 40793, 42940, 44974, 71839, 75620, 81586, 89948, 112435, 143678, 163172, 203965, 224870, 287356, 359195, 407930, 427253, 449740, 718390, 815860, 854506, 1436780, 1709012, 2136265, 4272530, 8117807, 8545060, 16235614, 32471228, 40589035, 81178070, 162356140]

約数ペア:

[(1, 162356140), (2, 81178070), (4, 40589035), (5, 32471228), (10, 16235614), (19, 8545060), (20, 8117807), (38, 4272530), (76, 2136265), (95, 1709012), (113, 1436780), (190, 854506), (199, 815860), (226, 718390), (361, 449740), (380, 427253), (398, 407930), (452, 359195), (565, 287356), (722, 224870), (796, 203965), (995, 163172), (1130, 143678), (1444, 112435), (1805, 89948), (1990, 81586), (2147, 75620), (2260, 71839), (3610, 44974), (3781, 42940), (3980, 40793), (4294, 37810), (7220, 22487), (7562, 21470), (8588, 18905), (10735, 15124)]