289475420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30091}}^1$

素因数の和:30150

約数の個数: 48

約数和(自身を含む): 672375648

約数和(自身を除く): 382900228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 30091, 60182, 120364, 150455, 300910, 391183, 601820, 782366, 1113367, 1564732, 1955915, 2226734, 3911830, 4453468, 5566835, 7823660, 11133670, 14473771, 22267340, 28947542, 57895084, 72368855, 144737710, 289475420]

約数ペア:

[(1, 289475420), (2, 144737710), (4, 72368855), (5, 57895084), (10, 28947542), (13, 22267340), (20, 14473771), (26, 11133670), (37, 7823660), (52, 5566835), (65, 4453468), (74, 3911830), (130, 2226734), (148, 1955915), (185, 1564732), (260, 1113367), (370, 782366), (481, 601820), (740, 391183), (962, 300910), (1924, 150455), (2405, 120364), (4810, 60182), (9620, 30091)]