83689940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 182785680

約数和(自身を除く): 99095740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 461, 580, 626, 922, 1252, 1565, 1844, 2305, 3130, 4610, 6260, 9077, 9220, 13369, 18154, 26738, 36308, 45385, 53476, 66845, 90770, 133690, 144293, 181540, 267380, 288586, 577172, 721465, 1442930, 2885860, 4184497, 8368994, 16737988, 20922485, 41844970, 83689940]

約数ペア:

[(1, 83689940), (2, 41844970), (4, 20922485), (5, 16737988), (10, 8368994), (20, 4184497), (29, 2885860), (58, 1442930), (116, 721465), (145, 577172), (290, 288586), (313, 267380), (461, 181540), (580, 144293), (626, 133690), (922, 90770), (1252, 66845), (1565, 53476), (1844, 45385), (2305, 36308), (3130, 26738), (4610, 18154), (6260, 13369), (9077, 9220)]