1963640450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 3698185920

約数和(自身を除く): 1734545470

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 571, 631, 1090, 1142, 1262, 2725, 2855, 3155, 5450, 5710, 6310, 14275, 15775, 28550, 31550, 62239, 68779, 124478, 137558, 311195, 343895, 360301, 622390, 687790, 720602, 1555975, 1719475, 1801505, 3111950, 3438950, 3603010, 9007525, 18015050, 39272809, 78545618, 196364045, 392728090, 981820225, 1963640450]

約数ペア:

[(1, 1963640450), (2, 981820225), (5, 392728090), (10, 196364045), (25, 78545618), (50, 39272809), (109, 18015050), (218, 9007525), (545, 3603010), (571, 3438950), (631, 3111950), (1090, 1801505), (1142, 1719475), (1262, 1555975), (2725, 720602), (2855, 687790), (3155, 622390), (5450, 360301), (5710, 343895), (6310, 311195), (14275, 137558), (15775, 124478), (28550, 68779), (31550, 62239)]