78758260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7121}}^1$

素因数の和:7216

約数の個数: 48

約数和(自身を含む): 191439360

約数和(自身を除く): 112681100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7121, 11060, 14242, 28484, 35605, 49847, 71210, 99694, 142420, 199388, 249235, 498470, 562559, 996940, 1125118, 2250236, 2812795, 3937913, 5625590, 7875826, 11251180, 15751652, 19689565, 39379130, 78758260]

約数ペア:

[(1, 78758260), (2, 39379130), (4, 19689565), (5, 15751652), (7, 11251180), (10, 7875826), (14, 5625590), (20, 3937913), (28, 2812795), (35, 2250236), (70, 1125118), (79, 996940), (140, 562559), (158, 498470), (316, 249235), (395, 199388), (553, 142420), (790, 99694), (1106, 71210), (1580, 49847), (2212, 35605), (2765, 28484), (5530, 14242), (7121, 11060)]