29998880

素因数分解:

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

素因数の和:342

約数の個数: 96

約数和(自身を含む): 77157360

約数和(自身を除く): 47158480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 205, 269, 272, 328, 340, 410, 538, 544, 656, 680, 697, 820, 1076, 1312, 1345, 1360, 1394, 1640, 2152, 2690, 2720, 2788, 3280, 3485, 4304, 4573, 5380, 5576, 6560, 6970, 8608, 9146, 10760, 11029, 11152, 13940, 18292, 21520, 22058, 22304, 22865, 27880, 36584, 43040, 44116, 45730, 55145, 55760, 73168, 88232, 91460, 110290, 111520, 146336, 176464, 182920, 187493, 220580, 352928, 365840, 374986, 441160, 731680, 749972, 882320, 937465, 1499944, 1764640, 1874930, 2999888, 3749860, 5999776, 7499720, 14999440, 29998880]

約数ペア:

[(1, 29998880), (2, 14999440), (4, 7499720), (5, 5999776), (8, 3749860), (10, 2999888), (16, 1874930), (17, 1764640), (20, 1499944), (32, 937465), (34, 882320), (40, 749972), (41, 731680), (68, 441160), (80, 374986), (82, 365840), (85, 352928), (136, 220580), (160, 187493), (164, 182920), (170, 176464), (205, 146336), (269, 111520), (272, 110290), (328, 91460), (340, 88232), (410, 73168), (538, 55760), (544, 55145), (656, 45730), (680, 44116), (697, 43040), (820, 36584), (1076, 27880), (1312, 22865), (1345, 22304), (1360, 22058), (1394, 21520), (1640, 18292), (2152, 13940), (2690, 11152), (2720, 11029), (2788, 10760), (3280, 9146), (3485, 8608), (4304, 6970), (4573, 6560), (5380, 5576)]