289457740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101209}}^1$

素因数の和:101242

約数の個数: 48

約数和(自身を含む): 714137760

約数和(自身を除く): 424680020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 101209, 202418, 404836, 506045, 1012090, 1113299, 1315717, 2024180, 2226598, 2631434, 4453196, 5262868, 5566495, 6578585, 11132990, 13157170, 14472887, 22265980, 26314340, 28945774, 57891548, 72364435, 144728870, 289457740]

約数ペア:

[(1, 289457740), (2, 144728870), (4, 72364435), (5, 57891548), (10, 28945774), (11, 26314340), (13, 22265980), (20, 14472887), (22, 13157170), (26, 11132990), (44, 6578585), (52, 5566495), (55, 5262868), (65, 4453196), (110, 2631434), (130, 2226598), (143, 2024180), (220, 1315717), (260, 1113299), (286, 1012090), (572, 506045), (715, 404836), (1430, 202418), (2860, 101209)]