54345220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 116812080

約数和(自身を除く): 62466860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 257, 388, 436, 485, 514, 545, 970, 1028, 1090, 1285, 1940, 2180, 2570, 5140, 10573, 21146, 24929, 28013, 42292, 49858, 52865, 56026, 99716, 105730, 112052, 124645, 140065, 211460, 249290, 280130, 498580, 560260, 2717261, 5434522, 10869044, 13586305, 27172610, 54345220]

約数ペア:

[(1, 54345220), (2, 27172610), (4, 13586305), (5, 10869044), (10, 5434522), (20, 2717261), (97, 560260), (109, 498580), (194, 280130), (218, 249290), (257, 211460), (388, 140065), (436, 124645), (485, 112052), (514, 105730), (545, 99716), (970, 56026), (1028, 52865), (1090, 49858), (1285, 42292), (1940, 28013), (2180, 24929), (2570, 21146), (5140, 10573)]