2243379140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^2\times {\mathrm{109}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 4850417880

約数和(自身を除く): 2607038740

約数列:

[1, 2, 4, 5, 10, 20, 97, 103, 109, 194, 206, 218, 388, 412, 436, 485, 515, 545, 970, 1030, 1090, 1940, 2060, 2180, 9991, 10573, 10609, 11227, 19982, 21146, 21218, 22454, 39964, 42292, 42436, 44908, 49955, 52865, 53045, 56135, 99910, 105730, 106090, 112270, 199820, 211460, 212180, 224540, 1029073, 1089019, 1156381, 2058146, 2178038, 2312762, 4116292, 4356076, 4625524, 5145365, 5445095, 5781905, 10290730, 10890190, 11563810, 20581460, 21780380, 23127620, 112168957, 224337914, 448675828, 560844785, 1121689570, 2243379140]

約数ペア:

[(1, 2243379140), (2, 1121689570), (4, 560844785), (5, 448675828), (10, 224337914), (20, 112168957), (97, 23127620), (103, 21780380), (109, 20581460), (194, 11563810), (206, 10890190), (218, 10290730), (388, 5781905), (412, 5445095), (436, 5145365), (485, 4625524), (515, 4356076), (545, 4116292), (970, 2312762), (1030, 2178038), (1090, 2058146), (1940, 1156381), (2060, 1089019), (2180, 1029073), (9991, 224540), (10573, 212180), (10609, 211460), (11227, 199820), (19982, 112270), (21146, 106090), (21218, 105730), (22454, 99910), (39964, 56135), (42292, 53045), (42436, 52865), (44908, 49955)]