290739297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 446054400

約数和(自身を除く): 155315103

約数列:

[1, 3, 23, 29, 31, 43, 69, 87, 93, 109, 129, 327, 667, 713, 899, 989, 1247, 1333, 2001, 2139, 2507, 2697, 2967, 3161, 3379, 3741, 3999, 4687, 7521, 9483, 10137, 14061, 20677, 28681, 30659, 38657, 62031, 72703, 77717, 86043, 91977, 97991, 107801, 115971, 135923, 145297, 218109, 233151, 293973, 323403, 407769, 435891, 889111, 2253793, 2667333, 3126229, 3341831, 4213613, 6761379, 9378687, 10025493, 12640839, 96913099, 290739297]

約数ペア:

[(1, 290739297), (3, 96913099), (23, 12640839), (29, 10025493), (31, 9378687), (43, 6761379), (69, 4213613), (87, 3341831), (93, 3126229), (109, 2667333), (129, 2253793), (327, 889111), (667, 435891), (713, 407769), (899, 323403), (989, 293973), (1247, 233151), (1333, 218109), (2001, 145297), (2139, 135923), (2507, 115971), (2697, 107801), (2967, 97991), (3161, 91977), (3379, 86043), (3741, 77717), (3999, 72703), (4687, 62031), (7521, 38657), (9483, 30659), (10137, 28681), (14061, 20677)]