109438100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 252067200

約数和(自身を除く): 142629100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 239, 241, 380, 475, 478, 482, 950, 956, 964, 1195, 1205, 1900, 2390, 2410, 4541, 4579, 4780, 4820, 5975, 6025, 9082, 9158, 11950, 12050, 18164, 18316, 22705, 22895, 23900, 24100, 45410, 45790, 57599, 90820, 91580, 113525, 114475, 115198, 227050, 228950, 230396, 287995, 454100, 457900, 575990, 1094381, 1151980, 1439975, 2188762, 2879950, 4377524, 5471905, 5759900, 10943810, 21887620, 27359525, 54719050, 109438100]

約数ペア:

[(1, 109438100), (2, 54719050), (4, 27359525), (5, 21887620), (10, 10943810), (19, 5759900), (20, 5471905), (25, 4377524), (38, 2879950), (50, 2188762), (76, 1439975), (95, 1151980), (100, 1094381), (190, 575990), (239, 457900), (241, 454100), (380, 287995), (475, 230396), (478, 228950), (482, 227050), (950, 115198), (956, 114475), (964, 113525), (1195, 91580), (1205, 90820), (1900, 57599), (2390, 45790), (2410, 45410), (4541, 24100), (4579, 23900), (4780, 22895), (4820, 22705), (5975, 18316), (6025, 18164), (9082, 12050), (9158, 11950)]