495666920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1770239}}^1$

素因数の和:1770257

約数の個数: 32

約数和(自身を含む): 1274572800

約数和(自身を除く): 778905880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1770239, 3540478, 7080956, 8851195, 12391673, 14161912, 17702390, 24783346, 35404780, 49566692, 61958365, 70809560, 99133384, 123916730, 247833460, 495666920]

約数ペア:

[(1, 495666920), (2, 247833460), (4, 123916730), (5, 99133384), (7, 70809560), (8, 61958365), (10, 49566692), (14, 35404780), (20, 24783346), (28, 17702390), (35, 14161912), (40, 12391673), (56, 8851195), (70, 7080956), (140, 3540478), (280, 1770239)]