154399180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7517}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 353646720

約数和(自身を除く): 199247540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 7517, 10270, 15034, 20540, 30068, 37585, 75170, 97721, 150340, 195442, 390884, 488605, 593843, 977210, 1187686, 1954420, 2375372, 2969215, 5938430, 7719959, 11876860, 15439918, 30879836, 38599795, 77199590, 154399180]

約数ペア:

[(1, 154399180), (2, 77199590), (4, 38599795), (5, 30879836), (10, 15439918), (13, 11876860), (20, 7719959), (26, 5938430), (52, 2969215), (65, 2375372), (79, 1954420), (130, 1187686), (158, 977210), (260, 593843), (316, 488605), (395, 390884), (790, 195442), (1027, 150340), (1580, 97721), (2054, 75170), (4108, 37585), (5135, 30068), (7517, 20540), (10270, 15034)]