22290040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 53424000

約数和(自身を除く): 31133960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 211, 278, 380, 422, 556, 695, 760, 844, 1055, 1112, 1390, 1688, 2110, 2641, 2780, 4009, 4220, 5282, 5560, 8018, 8440, 10564, 13205, 16036, 20045, 21128, 26410, 29329, 32072, 40090, 52820, 58658, 80180, 105640, 117316, 146645, 160360, 234632, 293290, 557251, 586580, 1114502, 1173160, 2229004, 2786255, 4458008, 5572510, 11145020, 22290040]

約数ペア:

[(1, 22290040), (2, 11145020), (4, 5572510), (5, 4458008), (8, 2786255), (10, 2229004), (19, 1173160), (20, 1114502), (38, 586580), (40, 557251), (76, 293290), (95, 234632), (139, 160360), (152, 146645), (190, 117316), (211, 105640), (278, 80180), (380, 58658), (422, 52820), (556, 40090), (695, 32072), (760, 29329), (844, 26410), (1055, 21128), (1112, 20045), (1390, 16036), (1688, 13205), (2110, 10564), (2641, 8440), (2780, 8018), (4009, 5560), (4220, 5282)]