72570860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 155475936

約数和(自身を除く): 82905076

約数列:

[1, 2, 4, 5, 10, 20, 113, 163, 197, 226, 326, 394, 452, 565, 652, 788, 815, 985, 1130, 1630, 1970, 2260, 3260, 3940, 18419, 22261, 32111, 36838, 44522, 64222, 73676, 89044, 92095, 111305, 128444, 160555, 184190, 222610, 321110, 368380, 445220, 642220, 3628543, 7257086, 14514172, 18142715, 36285430, 72570860]

約数ペア:

[(1, 72570860), (2, 36285430), (4, 18142715), (5, 14514172), (10, 7257086), (20, 3628543), (113, 642220), (163, 445220), (197, 368380), (226, 321110), (326, 222610), (394, 184190), (452, 160555), (565, 128444), (652, 111305), (788, 92095), (815, 89044), (985, 73676), (1130, 64222), (1630, 44522), (1970, 36838), (2260, 32111), (3260, 22261), (3940, 18419)]