613641650

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 1170628200

約数和(自身を除く): 556986550

約数列:

[1, 2, 5, 10, 25, 50, 73, 89, 146, 178, 365, 445, 730, 890, 1825, 1889, 2225, 3650, 3778, 4450, 6497, 9445, 12994, 18890, 32485, 47225, 64970, 94450, 137897, 162425, 168121, 275794, 324850, 336242, 689485, 840605, 1378970, 1681210, 3447425, 4203025, 6894850, 8406050, 12272833, 24545666, 61364165, 122728330, 306820825, 613641650]

約数ペア:

[(1, 613641650), (2, 306820825), (5, 122728330), (10, 61364165), (25, 24545666), (50, 12272833), (73, 8406050), (89, 6894850), (146, 4203025), (178, 3447425), (365, 1681210), (445, 1378970), (730, 840605), (890, 689485), (1825, 336242), (1889, 324850), (2225, 275794), (3650, 168121), (3778, 162425), (4450, 137897), (6497, 94450), (9445, 64970), (12994, 47225), (18890, 32485)]