889460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 2201472

約数和(自身を除く): 1312012

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 311, 572, 622, 715, 1244, 1430, 1555, 2860, 3110, 3421, 4043, 6220, 6842, 8086, 13684, 16172, 17105, 20215, 34210, 40430, 44473, 68420, 80860, 88946, 177892, 222365, 444730, 889460]

約数ペア:

[(1, 889460), (2, 444730), (4, 222365), (5, 177892), (10, 88946), (11, 80860), (13, 68420), (20, 44473), (22, 40430), (26, 34210), (44, 20215), (52, 17105), (55, 16172), (65, 13684), (110, 8086), (130, 6842), (143, 6220), (220, 4043), (260, 3421), (286, 3110), (311, 2860), (572, 1555), (622, 1430), (715, 1244)]