20170029740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{307189}}^1$

素因数の和:307279

約数の個数: 72

約数和(自身を含む): 50008074480

約数和(自身を除く): 29838044740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1876, 2345, 3283, 4690, 6566, 9380, 13132, 16415, 32830, 65660, 307189, 614378, 1228756, 1535945, 2150323, 3071890, 4300646, 6143780, 8601292, 10751615, 15052261, 20581663, 21503230, 30104522, 41163326, 43006460, 60209044, 75261305, 82326652, 102908315, 144071641, 150522610, 205816630, 288143282, 301045220, 411633260, 576286564, 720358205, 1008501487, 1440716410, 2017002974, 2881432820, 4034005948, 5042507435, 10085014870, 20170029740]

約数ペア:

[(1, 20170029740), (2, 10085014870), (4, 5042507435), (5, 4034005948), (7, 2881432820), (10, 2017002974), (14, 1440716410), (20, 1008501487), (28, 720358205), (35, 576286564), (49, 411633260), (67, 301045220), (70, 288143282), (98, 205816630), (134, 150522610), (140, 144071641), (196, 102908315), (245, 82326652), (268, 75261305), (335, 60209044), (469, 43006460), (490, 41163326), (670, 30104522), (938, 21503230), (980, 20581663), (1340, 15052261), (1876, 10751615), (2345, 8601292), (3283, 6143780), (4690, 4300646), (6566, 3071890), (9380, 2150323), (13132, 1535945), (16415, 1228756), (32830, 614378), (65660, 307189)]