509718820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{115321}}^1$

素因数の和:115360

約数の個数: 48

約数和(自身を含む): 1220568048

約数和(自身を除く): 710849228

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 115321, 230642, 461284, 576605, 1153210, 1499173, 1960457, 2306420, 2998346, 3920914, 5996692, 7495865, 7841828, 9802285, 14991730, 19604570, 25485941, 29983460, 39209140, 50971882, 101943764, 127429705, 254859410, 509718820]

約数ペア:

[(1, 509718820), (2, 254859410), (4, 127429705), (5, 101943764), (10, 50971882), (13, 39209140), (17, 29983460), (20, 25485941), (26, 19604570), (34, 14991730), (52, 9802285), (65, 7841828), (68, 7495865), (85, 5996692), (130, 3920914), (170, 2998346), (221, 2306420), (260, 1960457), (340, 1499173), (442, 1153210), (884, 576605), (1105, 461284), (2210, 230642), (4420, 115321)]