207955708940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8563}}^1\times {\mathrm{24781}}^1$

素因数の和:33367

約数の個数: 72

約数和(自身を含む): 508085916912

約数和(自身を除く): 300130207972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8563, 17126, 24781, 34252, 42815, 49562, 59941, 85630, 99124, 119882, 123905, 171260, 173467, 239764, 247810, 299705, 346934, 419587, 495620, 599410, 693868, 839174, 867335, 1198820, 1214269, 1678348, 1734670, 2097935, 2428538, 3469340, 4195870, 4857076, 6071345, 8391740, 12142690, 24285380, 212199703, 424399406, 848798812, 1060998515, 1485397921, 2121997030, 2970795842, 4243994060, 5941591684, 7426989605, 10397785447, 14853979210, 20795570894, 29707958420, 41591141788, 51988927235, 103977854470, 207955708940]

約数ペア:

[(1, 207955708940), (2, 103977854470), (4, 51988927235), (5, 41591141788), (7, 29707958420), (10, 20795570894), (14, 14853979210), (20, 10397785447), (28, 7426989605), (35, 5941591684), (49, 4243994060), (70, 2970795842), (98, 2121997030), (140, 1485397921), (196, 1060998515), (245, 848798812), (490, 424399406), (980, 212199703), (8563, 24285380), (17126, 12142690), (24781, 8391740), (34252, 6071345), (42815, 4857076), (49562, 4195870), (59941, 3469340), (85630, 2428538), (99124, 2097935), (119882, 1734670), (123905, 1678348), (171260, 1214269), (173467, 1198820), (239764, 867335), (247810, 839174), (299705, 693868), (346934, 599410), (419587, 495620)]