197112880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79481}}^1$

素因数の和:79525

約数の個数: 40

約数和(自身を含む): 473076864

約数和(自身を除く): 275963984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79481, 158962, 317924, 397405, 635848, 794810, 1271696, 1589620, 2463911, 3179240, 4927822, 6358480, 9855644, 12319555, 19711288, 24639110, 39422576, 49278220, 98556440, 197112880]

約数ペア:

[(1, 197112880), (2, 98556440), (4, 49278220), (5, 39422576), (8, 24639110), (10, 19711288), (16, 12319555), (20, 9855644), (31, 6358480), (40, 4927822), (62, 3179240), (80, 2463911), (124, 1589620), (155, 1271696), (248, 794810), (310, 635848), (496, 397405), (620, 317924), (1240, 158962), (2480, 79481)]