77812700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 195300000

約数和(自身を除く): 117487300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 700, 890, 1246, 1249, 1780, 2225, 2492, 2498, 3115, 4450, 4996, 6230, 6245, 8743, 8900, 12460, 12490, 15575, 17486, 24980, 31150, 31225, 34972, 43715, 62300, 62450, 87430, 111161, 124900, 174860, 218575, 222322, 437150, 444644, 555805, 778127, 874300, 1111610, 1556254, 2223220, 2779025, 3112508, 3890635, 5558050, 7781270, 11116100, 15562540, 19453175, 38906350, 77812700]

約数ペア:

[(1, 77812700), (2, 38906350), (4, 19453175), (5, 15562540), (7, 11116100), (10, 7781270), (14, 5558050), (20, 3890635), (25, 3112508), (28, 2779025), (35, 2223220), (50, 1556254), (70, 1111610), (89, 874300), (100, 778127), (140, 555805), (175, 444644), (178, 437150), (350, 222322), (356, 218575), (445, 174860), (623, 124900), (700, 111161), (890, 87430), (1246, 62450), (1249, 62300), (1780, 43715), (2225, 34972), (2492, 31225), (2498, 31150), (3115, 24980), (4450, 17486), (4996, 15575), (6230, 12490), (6245, 12460), (8743, 8900)]