13993420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 34760880

約数和(自身を除く): 20767460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 131, 140, 196, 218, 245, 262, 436, 490, 524, 545, 655, 763, 917, 980, 1090, 1310, 1526, 1834, 2180, 2620, 3052, 3668, 3815, 4585, 5341, 6419, 7630, 9170, 10682, 12838, 14279, 15260, 18340, 21364, 25676, 26705, 28558, 32095, 53410, 57116, 64190, 71395, 99953, 106820, 128380, 142790, 199906, 285580, 399812, 499765, 699671, 999530, 1399342, 1999060, 2798684, 3498355, 6996710, 13993420]

約数ペア:

[(1, 13993420), (2, 6996710), (4, 3498355), (5, 2798684), (7, 1999060), (10, 1399342), (14, 999530), (20, 699671), (28, 499765), (35, 399812), (49, 285580), (70, 199906), (98, 142790), (109, 128380), (131, 106820), (140, 99953), (196, 71395), (218, 64190), (245, 57116), (262, 53410), (436, 32095), (490, 28558), (524, 26705), (545, 25676), (655, 21364), (763, 18340), (917, 15260), (980, 14279), (1090, 12838), (1310, 10682), (1526, 9170), (1834, 7630), (2180, 6419), (2620, 5341), (3052, 4585), (3668, 3815)]