64530100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 54

約数和(自身を含む): 143773350

約数和(自身を除く): 79243250

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 349, 430, 698, 860, 1075, 1396, 1745, 1849, 2150, 3490, 3698, 4300, 6980, 7396, 8725, 9245, 15007, 17450, 18490, 30014, 34900, 36980, 46225, 60028, 75035, 92450, 150070, 184900, 300140, 375175, 645301, 750350, 1290602, 1500700, 2581204, 3226505, 6453010, 12906020, 16132525, 32265050, 64530100]

約数ペア:

[(1, 64530100), (2, 32265050), (4, 16132525), (5, 12906020), (10, 6453010), (20, 3226505), (25, 2581204), (43, 1500700), (50, 1290602), (86, 750350), (100, 645301), (172, 375175), (215, 300140), (349, 184900), (430, 150070), (698, 92450), (860, 75035), (1075, 60028), (1396, 46225), (1745, 36980), (1849, 34900), (2150, 30014), (3490, 18490), (3698, 17450), (4300, 15007), (6980, 9245), (7396, 8725)]