1387678210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2391

約数の個数: 64

約数和(自身を含む): 2740923360

約数和(自身を除く): 1353245150

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 89, 170, 178, 205, 410, 445, 697, 890, 1394, 1513, 2237, 3026, 3485, 3649, 4474, 6970, 7298, 7565, 11185, 15130, 18245, 22370, 36490, 38029, 62033, 76058, 91717, 124066, 183434, 190145, 199093, 310165, 380290, 398186, 458585, 620330, 917170, 995465, 1559189, 1990930, 3118378, 3384581, 6769162, 7795945, 8162813, 15591890, 16325626, 16922905, 33845810, 40814065, 81628130, 138767821, 277535642, 693839105, 1387678210]

約数ペア:

[(1, 1387678210), (2, 693839105), (5, 277535642), (10, 138767821), (17, 81628130), (34, 40814065), (41, 33845810), (82, 16922905), (85, 16325626), (89, 15591890), (170, 8162813), (178, 7795945), (205, 6769162), (410, 3384581), (445, 3118378), (697, 1990930), (890, 1559189), (1394, 995465), (1513, 917170), (2237, 620330), (3026, 458585), (3485, 398186), (3649, 380290), (4474, 310165), (6970, 199093), (7298, 190145), (7565, 183434), (11185, 124066), (15130, 91717), (18245, 76058), (22370, 62033), (36490, 38029)]