4218380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 9888480

約数和(自身を除く): 5670100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 653, 1292, 1306, 1615, 2612, 3230, 3265, 6460, 6530, 11101, 12407, 13060, 22202, 24814, 44404, 49628, 55505, 62035, 111010, 124070, 210919, 222020, 248140, 421838, 843676, 1054595, 2109190, 4218380]

約数ペア:

[(1, 4218380), (2, 2109190), (4, 1054595), (5, 843676), (10, 421838), (17, 248140), (19, 222020), (20, 210919), (34, 124070), (38, 111010), (68, 62035), (76, 55505), (85, 49628), (95, 44404), (170, 24814), (190, 22202), (323, 13060), (340, 12407), (380, 11101), (646, 6530), (653, 6460), (1292, 3265), (1306, 3230), (1615, 2612)]