1286283740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2207}}^1$

素因数の和:2427

約数の個数: 96

約数和(自身を含む): 3240566784

約数和(自身を除く): 1954283044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 181, 230, 322, 362, 460, 644, 724, 805, 905, 1267, 1610, 1810, 2207, 2534, 3220, 3620, 4163, 4414, 5068, 6335, 8326, 8828, 11035, 12670, 15449, 16652, 20815, 22070, 25340, 29141, 30898, 41630, 44140, 50761, 58282, 61796, 77245, 83260, 101522, 116564, 145705, 154490, 203044, 253805, 291410, 308980, 355327, 399467, 507610, 582820, 710654, 798934, 1015220, 1421308, 1597868, 1776635, 1997335, 2796269, 3553270, 3994670, 5592538, 7106540, 7989340, 9187741, 11185076, 13981345, 18375482, 27962690, 36750964, 45938705, 55925380, 64314187, 91877410, 128628374, 183754820, 257256748, 321570935, 643141870, 1286283740]

約数ペア:

[(1, 1286283740), (2, 643141870), (4, 321570935), (5, 257256748), (7, 183754820), (10, 128628374), (14, 91877410), (20, 64314187), (23, 55925380), (28, 45938705), (35, 36750964), (46, 27962690), (70, 18375482), (92, 13981345), (115, 11185076), (140, 9187741), (161, 7989340), (181, 7106540), (230, 5592538), (322, 3994670), (362, 3553270), (460, 2796269), (644, 1997335), (724, 1776635), (805, 1597868), (905, 1421308), (1267, 1015220), (1610, 798934), (1810, 710654), (2207, 582820), (2534, 507610), (3220, 399467), (3620, 355327), (4163, 308980), (4414, 291410), (5068, 253805), (6335, 203044), (8326, 154490), (8828, 145705), (11035, 116564), (12670, 101522), (15449, 83260), (16652, 77245), (20815, 61796), (22070, 58282), (25340, 50761), (29141, 44140), (30898, 41630)]