31860700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 72564800

約数和(自身を除く): 40704100

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 79, 100, 109, 148, 158, 185, 218, 316, 370, 395, 436, 545, 740, 790, 925, 1090, 1580, 1850, 1975, 2180, 2725, 2923, 3700, 3950, 4033, 5450, 5846, 7900, 8066, 8611, 10900, 11692, 14615, 16132, 17222, 20165, 29230, 34444, 40330, 43055, 58460, 73075, 80660, 86110, 100825, 146150, 172220, 201650, 215275, 292300, 318607, 403300, 430550, 637214, 861100, 1274428, 1593035, 3186070, 6372140, 7965175, 15930350, 31860700]

約数ペア:

[(1, 31860700), (2, 15930350), (4, 7965175), (5, 6372140), (10, 3186070), (20, 1593035), (25, 1274428), (37, 861100), (50, 637214), (74, 430550), (79, 403300), (100, 318607), (109, 292300), (148, 215275), (158, 201650), (185, 172220), (218, 146150), (316, 100825), (370, 86110), (395, 80660), (436, 73075), (545, 58460), (740, 43055), (790, 40330), (925, 34444), (1090, 29230), (1580, 20165), (1850, 17222), (1975, 16132), (2180, 14615), (2725, 11692), (2923, 10900), (3700, 8611), (3950, 8066), (4033, 7900), (5450, 5846)]