378498380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{4651}}^1$

素因数の和:4986

約数の個数: 48

約数和(自身を含む): 858908064

約数和(自身を除く): 480409684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 3130, 4069, 4651, 6260, 8138, 9302, 16276, 18604, 20345, 23255, 40690, 46510, 60463, 81380, 93020, 120926, 241852, 302315, 604630, 1209260, 1455763, 2911526, 5823052, 7278815, 14557630, 18924919, 29115260, 37849838, 75699676, 94624595, 189249190, 378498380]

約数ペア:

[(1, 378498380), (2, 189249190), (4, 94624595), (5, 75699676), (10, 37849838), (13, 29115260), (20, 18924919), (26, 14557630), (52, 7278815), (65, 5823052), (130, 2911526), (260, 1455763), (313, 1209260), (626, 604630), (1252, 302315), (1565, 241852), (3130, 120926), (4069, 93020), (4651, 81380), (6260, 60463), (8138, 46510), (9302, 40690), (16276, 23255), (18604, 20345)]