12644450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:436

約数の個数: 72

約数和(自身を含む): 29537172

約数和(自身を除く): 16892722

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 397, 455, 490, 637, 650, 794, 910, 1225, 1274, 1985, 2275, 2450, 2779, 3185, 3970, 4550, 5161, 5558, 6370, 9925, 10322, 13895, 15925, 19453, 19850, 25805, 27790, 31850, 36127, 38906, 51610, 69475, 72254, 97265, 129025, 138950, 180635, 194530, 252889, 258050, 361270, 486325, 505778, 903175, 972650, 1264445, 1806350, 2528890, 6322225, 12644450]

約数ペア:

[(1, 12644450), (2, 6322225), (5, 2528890), (7, 1806350), (10, 1264445), (13, 972650), (14, 903175), (25, 505778), (26, 486325), (35, 361270), (49, 258050), (50, 252889), (65, 194530), (70, 180635), (91, 138950), (98, 129025), (130, 97265), (175, 72254), (182, 69475), (245, 51610), (325, 38906), (350, 36127), (397, 31850), (455, 27790), (490, 25805), (637, 19850), (650, 19453), (794, 15925), (910, 13895), (1225, 10322), (1274, 9925), (1985, 6370), (2275, 5558), (2450, 5161), (2779, 4550), (3185, 3970)]