320433400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{228881}}^1$

素因数の和:228904

約数の個数: 48

約数和(自身を含む): 851441040

約数和(自身を除く): 531007640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 228881, 457762, 915524, 1144405, 1602167, 1831048, 2288810, 3204334, 4577620, 5722025, 6408668, 8010835, 9155240, 11444050, 12817336, 16021670, 22888100, 32043340, 40054175, 45776200, 64086680, 80108350, 160216700, 320433400]

約数ペア:

[(1, 320433400), (2, 160216700), (4, 80108350), (5, 64086680), (7, 45776200), (8, 40054175), (10, 32043340), (14, 22888100), (20, 16021670), (25, 12817336), (28, 11444050), (35, 9155240), (40, 8010835), (50, 6408668), (56, 5722025), (70, 4577620), (100, 3204334), (140, 2288810), (175, 1831048), (200, 1602167), (280, 1144405), (350, 915524), (700, 457762), (1400, 228881)]