7888942480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{123419}}^1$

素因数の和:123496

約数の個数: 80

約数和(自身を含む): 19834087680

約数和(自身を除く): 11945145200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3760, 3995, 6392, 7990, 12784, 15980, 31960, 63920, 123419, 246838, 493676, 617095, 987352, 1234190, 1974704, 2098123, 2468380, 4196246, 4936760, 5800693, 8392492, 9873520, 10490615, 11601386, 16784984, 20981230, 23202772, 29003465, 33569968, 41962460, 46405544, 58006930, 83924920, 92811088, 98611781, 116013860, 167849840, 197223562, 232027720, 394447124, 464055440, 493058905, 788894248, 986117810, 1577788496, 1972235620, 3944471240, 7888942480]

約数ペア:

[(1, 7888942480), (2, 3944471240), (4, 1972235620), (5, 1577788496), (8, 986117810), (10, 788894248), (16, 493058905), (17, 464055440), (20, 394447124), (34, 232027720), (40, 197223562), (47, 167849840), (68, 116013860), (80, 98611781), (85, 92811088), (94, 83924920), (136, 58006930), (170, 46405544), (188, 41962460), (235, 33569968), (272, 29003465), (340, 23202772), (376, 20981230), (470, 16784984), (680, 11601386), (752, 10490615), (799, 9873520), (940, 8392492), (1360, 5800693), (1598, 4936760), (1880, 4196246), (3196, 2468380), (3760, 2098123), (3995, 1974704), (6392, 1234190), (7990, 987352), (12784, 617095), (15980, 493676), (31960, 246838), (63920, 123419)]