7499720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 18370800

約数和(自身を除く): 10871080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 269, 328, 340, 410, 538, 680, 697, 820, 1076, 1345, 1394, 1640, 2152, 2690, 2788, 3485, 4573, 5380, 5576, 6970, 9146, 10760, 11029, 13940, 18292, 22058, 22865, 27880, 36584, 44116, 45730, 55145, 88232, 91460, 110290, 182920, 187493, 220580, 374986, 441160, 749972, 937465, 1499944, 1874930, 3749860, 7499720]

約数ペア:

[(1, 7499720), (2, 3749860), (4, 1874930), (5, 1499944), (8, 937465), (10, 749972), (17, 441160), (20, 374986), (34, 220580), (40, 187493), (41, 182920), (68, 110290), (82, 91460), (85, 88232), (136, 55145), (164, 45730), (170, 44116), (205, 36584), (269, 27880), (328, 22865), (340, 22058), (410, 18292), (538, 13940), (680, 11029), (697, 10760), (820, 9146), (1076, 6970), (1345, 5576), (1394, 5380), (1640, 4573), (2152, 3485), (2690, 2788)]