1142573180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{16421}}^1$

素因数の和:16515

約数の個数: 72

約数和(自身を含む): 2830627296

約数和(自身を除く): 1688054116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 16421, 17395, 32842, 34790, 65684, 69580, 82105, 114947, 164210, 229894, 328420, 459788, 574735, 804629, 1149470, 1165891, 1609258, 2298940, 2331782, 3218516, 4023145, 4663564, 5829455, 8046290, 8161237, 11658910, 16092580, 16322474, 23317820, 32644948, 40806185, 57128659, 81612370, 114257318, 163224740, 228514636, 285643295, 571286590, 1142573180]

約数ペア:

[(1, 1142573180), (2, 571286590), (4, 285643295), (5, 228514636), (7, 163224740), (10, 114257318), (14, 81612370), (20, 57128659), (28, 40806185), (35, 32644948), (49, 23317820), (70, 16322474), (71, 16092580), (98, 11658910), (140, 8161237), (142, 8046290), (196, 5829455), (245, 4663564), (284, 4023145), (355, 3218516), (490, 2331782), (497, 2298940), (710, 1609258), (980, 1165891), (994, 1149470), (1420, 804629), (1988, 574735), (2485, 459788), (3479, 328420), (4970, 229894), (6958, 164210), (9940, 114947), (13916, 82105), (16421, 69580), (17395, 65684), (32842, 34790)]