3932620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 8870400

約数和(自身を除く): 4937780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 131, 158, 190, 262, 316, 380, 395, 524, 655, 790, 1310, 1501, 1580, 2489, 2620, 3002, 4978, 6004, 7505, 9956, 10349, 12445, 15010, 20698, 24890, 30020, 41396, 49780, 51745, 103490, 196631, 206980, 393262, 786524, 983155, 1966310, 3932620]

約数ペア:

[(1, 3932620), (2, 1966310), (4, 983155), (5, 786524), (10, 393262), (19, 206980), (20, 196631), (38, 103490), (76, 51745), (79, 49780), (95, 41396), (131, 30020), (158, 24890), (190, 20698), (262, 15010), (316, 12445), (380, 10349), (395, 9956), (524, 7505), (655, 6004), (790, 4978), (1310, 3002), (1501, 2620), (1580, 2489)]