61016980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 135696960

約数和(自身を除く): 74679980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 761, 844, 1055, 1522, 2110, 3044, 3805, 4009, 4220, 7610, 8018, 14459, 15220, 16036, 20045, 28918, 40090, 57836, 72295, 80180, 144590, 160571, 289180, 321142, 642284, 802855, 1605710, 3050849, 3211420, 6101698, 12203396, 15254245, 30508490, 61016980]

約数ペア:

[(1, 61016980), (2, 30508490), (4, 15254245), (5, 12203396), (10, 6101698), (19, 3211420), (20, 3050849), (38, 1605710), (76, 802855), (95, 642284), (190, 321142), (211, 289180), (380, 160571), (422, 144590), (761, 80180), (844, 72295), (1055, 57836), (1522, 40090), (2110, 28918), (3044, 20045), (3805, 16036), (4009, 15220), (4220, 14459), (7610, 8018)]