1420007240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{2939}}^1$

素因数の和:3254

約数の個数: 64

約数和(自身を含む): 3276806400

約数和(自身を除く): 1856799160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 257, 376, 470, 514, 940, 1028, 1285, 1880, 2056, 2570, 2939, 5140, 5878, 10280, 11756, 12079, 14695, 23512, 24158, 29390, 48316, 58780, 60395, 96632, 117560, 120790, 138133, 241580, 276266, 483160, 552532, 690665, 755323, 1105064, 1381330, 1510646, 2762660, 3021292, 3776615, 5525320, 6042584, 7553230, 15106460, 30212920, 35500181, 71000362, 142000724, 177500905, 284001448, 355001810, 710003620, 1420007240]

約数ペア:

[(1, 1420007240), (2, 710003620), (4, 355001810), (5, 284001448), (8, 177500905), (10, 142000724), (20, 71000362), (40, 35500181), (47, 30212920), (94, 15106460), (188, 7553230), (235, 6042584), (257, 5525320), (376, 3776615), (470, 3021292), (514, 2762660), (940, 1510646), (1028, 1381330), (1285, 1105064), (1880, 755323), (2056, 690665), (2570, 552532), (2939, 483160), (5140, 276266), (5878, 241580), (10280, 138133), (11756, 120790), (12079, 117560), (14695, 96632), (23512, 60395), (24158, 58780), (29390, 48316)]