1407880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 3225240

約数和(自身を除く): 1817360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 577, 610, 1154, 1220, 2308, 2440, 2885, 4616, 5770, 11540, 23080, 35197, 70394, 140788, 175985, 281576, 351970, 703940, 1407880]

約数ペア:

[(1, 1407880), (2, 703940), (4, 351970), (5, 281576), (8, 175985), (10, 140788), (20, 70394), (40, 35197), (61, 23080), (122, 11540), (244, 5770), (305, 4616), (488, 2885), (577, 2440), (610, 2308), (1154, 1220)]