1271620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 3161088

約数和(自身を除く): 1889468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 293, 310, 434, 586, 620, 868, 1085, 1172, 1465, 2051, 2170, 2930, 4102, 4340, 5860, 8204, 9083, 10255, 18166, 20510, 36332, 41020, 45415, 63581, 90830, 127162, 181660, 254324, 317905, 635810, 1271620]

約数ペア:

[(1, 1271620), (2, 635810), (4, 317905), (5, 254324), (7, 181660), (10, 127162), (14, 90830), (20, 63581), (28, 45415), (31, 41020), (35, 36332), (62, 20510), (70, 18166), (124, 10255), (140, 9083), (155, 8204), (217, 5860), (293, 4340), (310, 4102), (434, 2930), (586, 2170), (620, 2051), (868, 1465), (1085, 1172)]