9762500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 23623488

約数和(自身を除く): 13860988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 125, 142, 220, 250, 275, 284, 355, 500, 550, 625, 710, 781, 1100, 1250, 1375, 1420, 1562, 1775, 2500, 2750, 3124, 3125, 3550, 3905, 5500, 6250, 6875, 7100, 7810, 8875, 12500, 13750, 15620, 17750, 19525, 27500, 34375, 35500, 39050, 44375, 68750, 78100, 88750, 97625, 137500, 177500, 195250, 221875, 390500, 443750, 488125, 887500, 976250, 1952500, 2440625, 4881250, 9762500]

約数ペア:

[(1, 9762500), (2, 4881250), (4, 2440625), (5, 1952500), (10, 976250), (11, 887500), (20, 488125), (22, 443750), (25, 390500), (44, 221875), (50, 195250), (55, 177500), (71, 137500), (100, 97625), (110, 88750), (125, 78100), (142, 68750), (220, 44375), (250, 39050), (275, 35500), (284, 34375), (355, 27500), (500, 19525), (550, 17750), (625, 15620), (710, 13750), (781, 12500), (1100, 8875), (1250, 7810), (1375, 7100), (1420, 6875), (1562, 6250), (1775, 5500), (2500, 3905), (2750, 3550), (3124, 3125)]