188020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 483840

約数和(自身を除く): 295820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 79, 85, 119, 140, 158, 170, 238, 316, 340, 395, 476, 553, 595, 790, 1106, 1190, 1343, 1580, 2212, 2380, 2686, 2765, 5372, 5530, 6715, 9401, 11060, 13430, 18802, 26860, 37604, 47005, 94010, 188020]

約数ペア:

[(1, 188020), (2, 94010), (4, 47005), (5, 37604), (7, 26860), (10, 18802), (14, 13430), (17, 11060), (20, 9401), (28, 6715), (34, 5530), (35, 5372), (68, 2765), (70, 2686), (79, 2380), (85, 2212), (119, 1580), (140, 1343), (158, 1190), (170, 1106), (238, 790), (316, 595), (340, 553), (395, 476)]