915120400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:417

約数の個数: 120

約数和(自身を含む): 2249508800

約数和(自身を除く): 1334388400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 139, 151, 200, 218, 278, 302, 400, 436, 545, 556, 604, 695, 755, 872, 1090, 1112, 1208, 1390, 1510, 1744, 2180, 2224, 2416, 2725, 2780, 3020, 3475, 3775, 4360, 5450, 5560, 6040, 6950, 7550, 8720, 10900, 11120, 12080, 13900, 15100, 15151, 16459, 20989, 21800, 27800, 30200, 30302, 32918, 41978, 43600, 55600, 60400, 60604, 65836, 75755, 82295, 83956, 104945, 121208, 131672, 151510, 164590, 167912, 209890, 242416, 263344, 303020, 329180, 335824, 378775, 411475, 419780, 524725, 606040, 658360, 757550, 822950, 839560, 1049450, 1212080, 1316720, 1515100, 1645900, 1679120, 2098900, 2287801, 3030200, 3291800, 4197800, 4575602, 6060400, 6583600, 8395600, 9151204, 11439005, 18302408, 22878010, 36604816, 45756020, 57195025, 91512040, 114390050, 183024080, 228780100, 457560200, 915120400]

約数ペア:

[(1, 915120400), (2, 457560200), (4, 228780100), (5, 183024080), (8, 114390050), (10, 91512040), (16, 57195025), (20, 45756020), (25, 36604816), (40, 22878010), (50, 18302408), (80, 11439005), (100, 9151204), (109, 8395600), (139, 6583600), (151, 6060400), (200, 4575602), (218, 4197800), (278, 3291800), (302, 3030200), (400, 2287801), (436, 2098900), (545, 1679120), (556, 1645900), (604, 1515100), (695, 1316720), (755, 1212080), (872, 1049450), (1090, 839560), (1112, 822950), (1208, 757550), (1390, 658360), (1510, 606040), (1744, 524725), (2180, 419780), (2224, 411475), (2416, 378775), (2725, 335824), (2780, 329180), (3020, 303020), (3475, 263344), (3775, 242416), (4360, 209890), (5450, 167912), (5560, 164590), (6040, 151510), (6950, 131672), (7550, 121208), (8720, 104945), (10900, 83956), (11120, 82295), (12080, 75755), (13900, 65836), (15100, 60604), (15151, 60400), (16459, 55600), (20989, 43600), (21800, 41978), (27800, 32918), (30200, 30302)]