745240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 1733760

約数和(自身を除く): 988520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 601, 620, 1202, 1240, 2404, 3005, 4808, 6010, 12020, 18631, 24040, 37262, 74524, 93155, 149048, 186310, 372620, 745240]

約数ペア:

[(1, 745240), (2, 372620), (4, 186310), (5, 149048), (8, 93155), (10, 74524), (20, 37262), (31, 24040), (40, 18631), (62, 12020), (124, 6010), (155, 4808), (248, 3005), (310, 2404), (601, 1240), (620, 1202)]