28983722200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1628299}}^1$

素因数の和:1628404

約数の個数: 48

約数和(自身を含む): 68144355000

約数和(自身を除く): 39160632800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 8900, 17800, 1628299, 3256598, 6513196, 8141495, 13026392, 16282990, 32565980, 40707475, 65131960, 81414950, 144918611, 162829900, 289837222, 325659800, 579674444, 724593055, 1159348888, 1449186110, 2898372220, 3622965275, 5796744440, 7245930550, 14491861100, 28983722200]

約数ペア:

[(1, 28983722200), (2, 14491861100), (4, 7245930550), (5, 5796744440), (8, 3622965275), (10, 2898372220), (20, 1449186110), (25, 1159348888), (40, 724593055), (50, 579674444), (89, 325659800), (100, 289837222), (178, 162829900), (200, 144918611), (356, 81414950), (445, 65131960), (712, 40707475), (890, 32565980), (1780, 16282990), (2225, 13026392), (3560, 8141495), (4450, 6513196), (8900, 3256598), (17800, 1628299)]