3907120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{6977}}^1$

素因数の和:6997

約数の個数: 40

約数和(自身を含む): 10383264

約数和(自身を除く): 6476144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 6977, 13954, 27908, 34885, 48839, 55816, 69770, 97678, 111632, 139540, 195356, 244195, 279080, 390712, 488390, 558160, 781424, 976780, 1953560, 3907120]

約数ペア:

[(1, 3907120), (2, 1953560), (4, 976780), (5, 781424), (7, 558160), (8, 488390), (10, 390712), (14, 279080), (16, 244195), (20, 195356), (28, 139540), (35, 111632), (40, 97678), (56, 69770), (70, 55816), (80, 48839), (112, 34885), (140, 27908), (280, 13954), (560, 6977)]