342860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 860160

約数和(自身を除く): 517300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 155, 158, 217, 310, 316, 395, 434, 553, 620, 790, 868, 1085, 1106, 1580, 2170, 2212, 2449, 2765, 4340, 4898, 5530, 9796, 11060, 12245, 17143, 24490, 34286, 48980, 68572, 85715, 171430, 342860]

約数ペア:

[(1, 342860), (2, 171430), (4, 85715), (5, 68572), (7, 48980), (10, 34286), (14, 24490), (20, 17143), (28, 12245), (31, 11060), (35, 9796), (62, 5530), (70, 4898), (79, 4340), (124, 2765), (140, 2449), (155, 2212), (158, 2170), (217, 1580), (310, 1106), (316, 1085), (395, 868), (434, 790), (553, 620)]