149947720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{288361}}^1$

素因数の和:288385

約数の個数: 32

約数和(自身を含む): 363336120

約数和(自身を除く): 213388400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 288361, 576722, 1153444, 1441805, 2306888, 2883610, 3748693, 5767220, 7497386, 11534440, 14994772, 18743465, 29989544, 37486930, 74973860, 149947720]

約数ペア:

[(1, 149947720), (2, 74973860), (4, 37486930), (5, 29989544), (8, 18743465), (10, 14994772), (13, 11534440), (20, 7497386), (26, 5767220), (40, 3748693), (52, 2883610), (65, 2306888), (104, 1441805), (130, 1153444), (260, 576722), (520, 288361)]