240440915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 359738400

約数和(自身を除く): 119297485

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 209, 247, 605, 715, 1045, 1235, 1573, 1609, 2299, 2717, 7865, 8045, 11495, 13585, 17699, 20917, 29887, 30571, 88495, 104585, 149435, 152855, 194689, 230087, 336281, 397423, 973445, 1150435, 1681405, 1987115, 2530957, 3699091, 4371653, 12654785, 18495455, 21858265, 48088183, 240440915]

約数ペア:

[(1, 240440915), (5, 48088183), (11, 21858265), (13, 18495455), (19, 12654785), (55, 4371653), (65, 3699091), (95, 2530957), (121, 1987115), (143, 1681405), (209, 1150435), (247, 973445), (605, 397423), (715, 336281), (1045, 230087), (1235, 194689), (1573, 152855), (1609, 149435), (2299, 104585), (2717, 88495), (7865, 30571), (8045, 29887), (11495, 20917), (13585, 17699)]