141653980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18787}}^1$

素因数の和:18838

約数の個数: 48

約数和(自身を含む): 331420320

約数和(自身を除く): 189766340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 18787, 37574, 75148, 93935, 187870, 244231, 375740, 488462, 544823, 976924, 1089646, 1221155, 2179292, 2442310, 2724115, 4884620, 5448230, 7082699, 10896460, 14165398, 28330796, 35413495, 70826990, 141653980]

約数ペア:

[(1, 141653980), (2, 70826990), (4, 35413495), (5, 28330796), (10, 14165398), (13, 10896460), (20, 7082699), (26, 5448230), (29, 4884620), (52, 2724115), (58, 2442310), (65, 2179292), (116, 1221155), (130, 1089646), (145, 976924), (260, 544823), (290, 488462), (377, 375740), (580, 244231), (754, 187870), (1508, 93935), (1885, 75148), (3770, 37574), (7540, 18787)]