188889390760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1734203}}^1$

素因数の和:1734610

約数の個数: 64

約数和(自身を含む): 486964483200

約数和(自身を除く): 298075092440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 1556, 1945, 2723, 3112, 3890, 5446, 7780, 10892, 13615, 15560, 21784, 27230, 54460, 108920, 1734203, 3468406, 6936812, 8671015, 12139421, 13873624, 17342030, 24278842, 34684060, 48557684, 60697105, 69368120, 97115368, 121394210, 242788420, 485576840, 674604967, 1349209934, 2698419868, 3373024835, 4722234769, 5396839736, 6746049670, 9444469538, 13492099340, 18888939076, 23611173845, 26984198680, 37777878152, 47222347690, 94444695380, 188889390760]

約数ペア:

[(1, 188889390760), (2, 94444695380), (4, 47222347690), (5, 37777878152), (7, 26984198680), (8, 23611173845), (10, 18888939076), (14, 13492099340), (20, 9444469538), (28, 6746049670), (35, 5396839736), (40, 4722234769), (56, 3373024835), (70, 2698419868), (140, 1349209934), (280, 674604967), (389, 485576840), (778, 242788420), (1556, 121394210), (1945, 97115368), (2723, 69368120), (3112, 60697105), (3890, 48557684), (5446, 34684060), (7780, 24278842), (10892, 17342030), (13615, 13873624), (15560, 12139421), (21784, 8671015), (27230, 6936812), (54460, 3468406), (108920, 1734203)]