490318640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{8669}}^1$

素因数の和:8790

約数の個数: 80

約数和(自身を含む): 1315897920

約数和(自身を除く): 825579280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 5656, 7070, 8080, 8669, 11312, 14140, 17338, 28280, 34676, 43345, 56560, 60683, 69352, 86690, 121366, 138704, 173380, 242732, 303415, 346760, 485464, 606830, 693520, 875569, 970928, 1213660, 1751138, 2427320, 3502276, 4377845, 4854640, 6128983, 7004552, 8755690, 12257966, 14009104, 17511380, 24515932, 30644915, 35022760, 49031864, 61289830, 70045520, 98063728, 122579660, 245159320, 490318640]

約数ペア:

[(1, 490318640), (2, 245159320), (4, 122579660), (5, 98063728), (7, 70045520), (8, 61289830), (10, 49031864), (14, 35022760), (16, 30644915), (20, 24515932), (28, 17511380), (35, 14009104), (40, 12257966), (56, 8755690), (70, 7004552), (80, 6128983), (101, 4854640), (112, 4377845), (140, 3502276), (202, 2427320), (280, 1751138), (404, 1213660), (505, 970928), (560, 875569), (707, 693520), (808, 606830), (1010, 485464), (1414, 346760), (1616, 303415), (2020, 242732), (2828, 173380), (3535, 138704), (4040, 121366), (5656, 86690), (7070, 69352), (8080, 60683), (8669, 56560), (11312, 43345), (14140, 34676), (17338, 28280)]