263735620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 595393344

約数和(自身を除く): 331657724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 289, 340, 412, 443, 515, 578, 886, 1030, 1156, 1445, 1751, 1772, 2060, 2215, 2890, 3502, 4430, 5780, 7004, 7531, 8755, 8860, 15062, 17510, 29767, 30124, 35020, 37655, 45629, 59534, 75310, 91258, 119068, 128027, 148835, 150620, 182516, 228145, 256054, 297670, 456290, 512108, 595340, 640135, 775693, 912580, 1280270, 1551386, 2560540, 3102772, 3878465, 7756930, 13186781, 15513860, 26373562, 52747124, 65933905, 131867810, 263735620]

約数ペア:

[(1, 263735620), (2, 131867810), (4, 65933905), (5, 52747124), (10, 26373562), (17, 15513860), (20, 13186781), (34, 7756930), (68, 3878465), (85, 3102772), (103, 2560540), (170, 1551386), (206, 1280270), (289, 912580), (340, 775693), (412, 640135), (443, 595340), (515, 512108), (578, 456290), (886, 297670), (1030, 256054), (1156, 228145), (1445, 182516), (1751, 150620), (1772, 148835), (2060, 128027), (2215, 119068), (2890, 91258), (3502, 75310), (4430, 59534), (5780, 45629), (7004, 37655), (7531, 35020), (8755, 30124), (8860, 29767), (15062, 17510)]