222851460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285707}}^1$

素因数の和:285732

約数の個数: 48

約数和(自身を含む): 671985216

約数和(自身を除く): 449133756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 285707, 571414, 857121, 1142828, 1428535, 1714242, 2857070, 3428484, 3714191, 4285605, 5714140, 7428382, 8571210, 11142573, 14856764, 17142420, 18570955, 22285146, 37141910, 44570292, 55712865, 74283820, 111425730, 222851460]

約数ペア:

[(1, 222851460), (2, 111425730), (3, 74283820), (4, 55712865), (5, 44570292), (6, 37141910), (10, 22285146), (12, 18570955), (13, 17142420), (15, 14856764), (20, 11142573), (26, 8571210), (30, 7428382), (39, 5714140), (52, 4285605), (60, 3714191), (65, 3428484), (78, 2857070), (130, 1714242), (156, 1428535), (195, 1142828), (260, 857121), (390, 571414), (780, 285707)]