193477820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 421171968

約数和(自身を除く): 227694148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 620, 626, 997, 1252, 1565, 1994, 3130, 3988, 4985, 6260, 9703, 9970, 19406, 19940, 30907, 38812, 48515, 61814, 97030, 123628, 154535, 194060, 309070, 312061, 618140, 624122, 1248244, 1560305, 3120610, 6241220, 9673891, 19347782, 38695564, 48369455, 96738910, 193477820]

約数ペア:

[(1, 193477820), (2, 96738910), (4, 48369455), (5, 38695564), (10, 19347782), (20, 9673891), (31, 6241220), (62, 3120610), (124, 1560305), (155, 1248244), (310, 624122), (313, 618140), (620, 312061), (626, 309070), (997, 194060), (1252, 154535), (1565, 123628), (1994, 97030), (3130, 61814), (3988, 48515), (4985, 38812), (6260, 30907), (9703, 19940), (9970, 19406)]