1736980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 4394880

約数和(自身を除く): 2657900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 653, 665, 1306, 1330, 2612, 2660, 3265, 4571, 6530, 9142, 12407, 13060, 18284, 22855, 24814, 45710, 49628, 62035, 86849, 91420, 124070, 173698, 248140, 347396, 434245, 868490, 1736980]

約数ペア:

[(1, 1736980), (2, 868490), (4, 434245), (5, 347396), (7, 248140), (10, 173698), (14, 124070), (19, 91420), (20, 86849), (28, 62035), (35, 49628), (38, 45710), (70, 24814), (76, 22855), (95, 18284), (133, 13060), (140, 12407), (190, 9142), (266, 6530), (380, 4571), (532, 3265), (653, 2660), (665, 2612), (1306, 1330)]