354267460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 753161472

約数和(自身を除く): 398894012

約数列:

[1, 2, 4, 5, 10, 20, 163, 271, 326, 401, 542, 652, 802, 815, 1084, 1355, 1604, 1630, 2005, 2710, 3260, 4010, 5420, 8020, 44173, 65363, 88346, 108671, 130726, 176692, 217342, 220865, 261452, 326815, 434684, 441730, 543355, 653630, 883460, 1086710, 1307260, 2173420, 17713373, 35426746, 70853492, 88566865, 177133730, 354267460]

約数ペア:

[(1, 354267460), (2, 177133730), (4, 88566865), (5, 70853492), (10, 35426746), (20, 17713373), (163, 2173420), (271, 1307260), (326, 1086710), (401, 883460), (542, 653630), (652, 543355), (802, 441730), (815, 434684), (1084, 326815), (1355, 261452), (1604, 220865), (1630, 217342), (2005, 176692), (2710, 130726), (3260, 108671), (4010, 88346), (5420, 65363), (8020, 44173)]