28203210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 56710710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 445, 503, 534, 623, 630, 801, 890, 1006, 1246, 1335, 1509, 1602, 1869, 2515, 2670, 3018, 3115, 3521, 3738, 4005, 4527, 5030, 5607, 6230, 7042, 7545, 8010, 9054, 9345, 10563, 11214, 15090, 17605, 18690, 21126, 22635, 28035, 31689, 35210, 44767, 45270, 52815, 56070, 63378, 89534, 105630, 134301, 158445, 223835, 268602, 313369, 316890, 402903, 447670, 626738, 671505, 805806, 940107, 1343010, 1566845, 1880214, 2014515, 2820321, 3133690, 4029030, 4700535, 5640642, 9401070, 14101605, 28203210]

約数ペア:

[(1, 28203210), (2, 14101605), (3, 9401070), (5, 5640642), (6, 4700535), (7, 4029030), (9, 3133690), (10, 2820321), (14, 2014515), (15, 1880214), (18, 1566845), (21, 1343010), (30, 940107), (35, 805806), (42, 671505), (45, 626738), (63, 447670), (70, 402903), (89, 316890), (90, 313369), (105, 268602), (126, 223835), (178, 158445), (210, 134301), (267, 105630), (315, 89534), (445, 63378), (503, 56070), (534, 52815), (623, 45270), (630, 44767), (801, 35210), (890, 31689), (1006, 28035), (1246, 22635), (1335, 21126), (1509, 18690), (1602, 17605), (1869, 15090), (2515, 11214), (2670, 10563), (3018, 9345), (3115, 9054), (3521, 8010), (3738, 7545), (4005, 7042), (4527, 6230), (5030, 5607)]