447780620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{1193}}^1$

素因数の和:1599

約数の個数: 72

約数和(自身を含む): 1097639424

約数和(自身を除く): 649858804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 383, 490, 766, 980, 1193, 1532, 1915, 2386, 2681, 3830, 4772, 5362, 5965, 7660, 8351, 10724, 11930, 13405, 16702, 18767, 23860, 26810, 33404, 37534, 41755, 53620, 58457, 75068, 83510, 93835, 116914, 167020, 187670, 233828, 292285, 375340, 456919, 584570, 913838, 1169140, 1827676, 2284595, 3198433, 4569190, 6396866, 9138380, 12793732, 15992165, 22389031, 31984330, 44778062, 63968660, 89556124, 111945155, 223890310, 447780620]

約数ペア:

[(1, 447780620), (2, 223890310), (4, 111945155), (5, 89556124), (7, 63968660), (10, 44778062), (14, 31984330), (20, 22389031), (28, 15992165), (35, 12793732), (49, 9138380), (70, 6396866), (98, 4569190), (140, 3198433), (196, 2284595), (245, 1827676), (383, 1169140), (490, 913838), (766, 584570), (980, 456919), (1193, 375340), (1532, 292285), (1915, 233828), (2386, 187670), (2681, 167020), (3830, 116914), (4772, 93835), (5362, 83510), (5965, 75068), (7660, 58457), (8351, 53620), (10724, 41755), (11930, 37534), (13405, 33404), (16702, 26810), (18767, 23860)]