69250900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 157489920

約数和(自身を除く): 88239020

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 89, 100, 124, 155, 178, 251, 310, 356, 445, 502, 620, 775, 890, 1004, 1255, 1550, 1780, 2225, 2510, 2759, 3100, 4450, 5020, 5518, 6275, 7781, 8900, 11036, 12550, 13795, 15562, 22339, 25100, 27590, 31124, 38905, 44678, 55180, 68975, 77810, 89356, 111695, 137950, 155620, 194525, 223390, 275900, 389050, 446780, 558475, 692509, 778100, 1116950, 1385018, 2233900, 2770036, 3462545, 6925090, 13850180, 17312725, 34625450, 69250900]

約数ペア:

[(1, 69250900), (2, 34625450), (4, 17312725), (5, 13850180), (10, 6925090), (20, 3462545), (25, 2770036), (31, 2233900), (50, 1385018), (62, 1116950), (89, 778100), (100, 692509), (124, 558475), (155, 446780), (178, 389050), (251, 275900), (310, 223390), (356, 194525), (445, 155620), (502, 137950), (620, 111695), (775, 89356), (890, 77810), (1004, 68975), (1255, 55180), (1550, 44678), (1780, 38905), (2225, 31124), (2510, 27590), (2759, 25100), (3100, 22339), (4450, 15562), (5020, 13795), (5518, 12550), (6275, 11036), (7781, 8900)]