2719280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 6658800

約数和(自身を除く): 3939520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1789, 3578, 7156, 8945, 14312, 17890, 28624, 33991, 35780, 67982, 71560, 135964, 143120, 169955, 271928, 339910, 543856, 679820, 1359640, 2719280]

約数ペア:

[(1, 2719280), (2, 1359640), (4, 679820), (5, 543856), (8, 339910), (10, 271928), (16, 169955), (19, 143120), (20, 135964), (38, 71560), (40, 67982), (76, 35780), (80, 33991), (95, 28624), (152, 17890), (190, 14312), (304, 8945), (380, 7156), (760, 3578), (1520, 1789)]