209426230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 432952128

約数和(自身を除く): 223525898

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 193, 221, 386, 442, 491, 965, 982, 1105, 1930, 2210, 2455, 2509, 3281, 4910, 5018, 6383, 6562, 8347, 12545, 12766, 16405, 16694, 25090, 31915, 32810, 41735, 42653, 63830, 83470, 85306, 94763, 108511, 189526, 213265, 217022, 426530, 473815, 542555, 947630, 1085110, 1231919, 1610971, 2463838, 3221942, 6159595, 8054855, 12319190, 16109710, 20942623, 41885246, 104713115, 209426230]

約数ペア:

[(1, 209426230), (2, 104713115), (5, 41885246), (10, 20942623), (13, 16109710), (17, 12319190), (26, 8054855), (34, 6159595), (65, 3221942), (85, 2463838), (130, 1610971), (170, 1231919), (193, 1085110), (221, 947630), (386, 542555), (442, 473815), (491, 426530), (965, 217022), (982, 213265), (1105, 189526), (1930, 108511), (2210, 94763), (2455, 85306), (2509, 83470), (3281, 63830), (4910, 42653), (5018, 41735), (6383, 32810), (6562, 31915), (8347, 25090), (12545, 16694), (12766, 16405)]