2447425340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{12907}}^1$

素因数の和:13434

約数の個数: 48

約数和(自身を含む): 5421360000

約数和(自身を除く): 2973934660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 499, 998, 1996, 2495, 4990, 9481, 9980, 12907, 18962, 25814, 37924, 47405, 51628, 64535, 94810, 129070, 189620, 245233, 258140, 490466, 980932, 1226165, 2452330, 4904660, 6440593, 12881186, 25762372, 32202965, 64405930, 122371267, 128811860, 244742534, 489485068, 611856335, 1223712670, 2447425340]

約数ペア:

[(1, 2447425340), (2, 1223712670), (4, 611856335), (5, 489485068), (10, 244742534), (19, 128811860), (20, 122371267), (38, 64405930), (76, 32202965), (95, 25762372), (190, 12881186), (380, 6440593), (499, 4904660), (998, 2452330), (1996, 1226165), (2495, 980932), (4990, 490466), (9481, 258140), (9980, 245233), (12907, 189620), (18962, 129070), (25814, 94810), (37924, 64535), (47405, 51628)]