155547620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19891}}^1$

素因数の和:19940

約数の個数: 48

約数和(自身を含む): 360920448

約数和(自身を除く): 205372828

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 19891, 39782, 79564, 99455, 198910, 338147, 397820, 457493, 676294, 914986, 1352588, 1690735, 1829972, 2287465, 3381470, 4574930, 6762940, 7777381, 9149860, 15554762, 31109524, 38886905, 77773810, 155547620]

約数ペア:

[(1, 155547620), (2, 77773810), (4, 38886905), (5, 31109524), (10, 15554762), (17, 9149860), (20, 7777381), (23, 6762940), (34, 4574930), (46, 3381470), (68, 2287465), (85, 1829972), (92, 1690735), (115, 1352588), (170, 914986), (230, 676294), (340, 457493), (391, 397820), (460, 338147), (782, 198910), (1564, 99455), (1955, 79564), (3910, 39782), (7820, 19891)]