66487450

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 127491840

約数和(自身を除く): 61004390

約数列:

[1, 2, 5, 10, 25, 50, 67, 89, 134, 178, 223, 335, 445, 446, 670, 890, 1115, 1675, 2225, 2230, 3350, 4450, 5575, 5963, 11150, 11926, 14941, 19847, 29815, 29882, 39694, 59630, 74705, 99235, 149075, 149410, 198470, 298150, 373525, 496175, 747050, 992350, 1329749, 2659498, 6648745, 13297490, 33243725, 66487450]

約数ペア:

[(1, 66487450), (2, 33243725), (5, 13297490), (10, 6648745), (25, 2659498), (50, 1329749), (67, 992350), (89, 747050), (134, 496175), (178, 373525), (223, 298150), (335, 198470), (445, 149410), (446, 149075), (670, 99235), (890, 74705), (1115, 59630), (1675, 39694), (2225, 29882), (2230, 29815), (3350, 19847), (4450, 14941), (5575, 11926), (5963, 11150)]