140964180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47947}}^1$

素因数の和:47973

約数の個数: 72

約数和(自身を含む): 459150048

約数和(自身を除く): 318185868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47947, 95894, 143841, 191788, 239735, 287682, 335629, 479470, 575364, 671258, 719205, 958940, 1006887, 1342516, 1438410, 1678145, 2013774, 2349403, 2876820, 3356290, 4027548, 4698806, 5034435, 6712580, 7048209, 9397612, 10068870, 11747015, 14096418, 20137740, 23494030, 28192836, 35241045, 46988060, 70482090, 140964180]

約数ペア:

[(1, 140964180), (2, 70482090), (3, 46988060), (4, 35241045), (5, 28192836), (6, 23494030), (7, 20137740), (10, 14096418), (12, 11747015), (14, 10068870), (15, 9397612), (20, 7048209), (21, 6712580), (28, 5034435), (30, 4698806), (35, 4027548), (42, 3356290), (49, 2876820), (60, 2349403), (70, 2013774), (84, 1678145), (98, 1438410), (105, 1342516), (140, 1006887), (147, 958940), (196, 719205), (210, 671258), (245, 575364), (294, 479470), (420, 335629), (490, 287682), (588, 239735), (735, 191788), (980, 143841), (1470, 95894), (2940, 47947)]