28913340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4421}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 81718560

約数和(自身を除く): 52805220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 4421, 6540, 8842, 13263, 17684, 22105, 26526, 44210, 53052, 66315, 88420, 132630, 265260, 481889, 963778, 1445667, 1927556, 2409445, 2891334, 4818890, 5782668, 7228335, 9637780, 14456670, 28913340]

約数ペア:

[(1, 28913340), (2, 14456670), (3, 9637780), (4, 7228335), (5, 5782668), (6, 4818890), (10, 2891334), (12, 2409445), (15, 1927556), (20, 1445667), (30, 963778), (60, 481889), (109, 265260), (218, 132630), (327, 88420), (436, 66315), (545, 53052), (654, 44210), (1090, 26526), (1308, 22105), (1635, 17684), (2180, 13263), (3270, 8842), (4421, 6540)]