858450140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{8291}}^1$

素因数の和:8498

約数の個数: 48

約数和(自身を含む): 1872267264

約数和(自身を除く): 1013817124

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 3340, 5177, 8291, 10354, 16582, 20708, 25885, 33164, 41455, 51770, 82910, 103540, 165820, 257021, 514042, 1028084, 1285105, 1384597, 2570210, 2769194, 5140420, 5538388, 6922985, 13845970, 27691940, 42922507, 85845014, 171690028, 214612535, 429225070, 858450140]

約数ペア:

[(1, 858450140), (2, 429225070), (4, 214612535), (5, 171690028), (10, 85845014), (20, 42922507), (31, 27691940), (62, 13845970), (124, 6922985), (155, 5538388), (167, 5140420), (310, 2769194), (334, 2570210), (620, 1384597), (668, 1285105), (835, 1028084), (1670, 514042), (3340, 257021), (5177, 165820), (8291, 103540), (10354, 82910), (16582, 51770), (20708, 41455), (25885, 33164)]