545791340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{13177}}^1$

素因数の和:13314

約数の個数: 48

約数和(自身を含む): 1217647200

約数和(自身を除く): 671855860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 13177, 20710, 26354, 41420, 52708, 65885, 131770, 250363, 263540, 500726, 1001452, 1251815, 1436293, 2503630, 2872586, 5007260, 5745172, 7181465, 14362930, 27289567, 28725860, 54579134, 109158268, 136447835, 272895670, 545791340]

約数ペア:

[(1, 545791340), (2, 272895670), (4, 136447835), (5, 109158268), (10, 54579134), (19, 28725860), (20, 27289567), (38, 14362930), (76, 7181465), (95, 5745172), (109, 5007260), (190, 2872586), (218, 2503630), (380, 1436293), (436, 1251815), (545, 1001452), (1090, 500726), (2071, 263540), (2180, 250363), (4142, 131770), (8284, 65885), (10355, 52708), (13177, 41420), (20710, 26354)]