285899740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 713220480

約数和(自身を除く): 427320740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 97, 140, 148, 185, 194, 259, 370, 388, 485, 518, 569, 679, 740, 970, 1036, 1138, 1295, 1358, 1940, 2276, 2590, 2716, 2845, 3395, 3589, 3983, 5180, 5690, 6790, 7178, 7966, 11380, 13580, 14356, 15932, 17945, 19915, 21053, 25123, 35890, 39830, 42106, 50246, 55193, 71780, 79660, 84212, 100492, 105265, 110386, 125615, 147371, 210530, 220772, 251230, 275965, 294742, 386351, 421060, 502460, 551930, 589484, 736855, 772702, 1103860, 1473710, 1545404, 1931755, 2042141, 2947420, 3863510, 4084282, 7727020, 8168564, 10210705, 14294987, 20421410, 28589974, 40842820, 57179948, 71474935, 142949870, 285899740]

約数ペア:

[(1, 285899740), (2, 142949870), (4, 71474935), (5, 57179948), (7, 40842820), (10, 28589974), (14, 20421410), (20, 14294987), (28, 10210705), (35, 8168564), (37, 7727020), (70, 4084282), (74, 3863510), (97, 2947420), (140, 2042141), (148, 1931755), (185, 1545404), (194, 1473710), (259, 1103860), (370, 772702), (388, 736855), (485, 589484), (518, 551930), (569, 502460), (679, 421060), (740, 386351), (970, 294742), (1036, 275965), (1138, 251230), (1295, 220772), (1358, 210530), (1940, 147371), (2276, 125615), (2590, 110386), (2716, 105265), (2845, 100492), (3395, 84212), (3589, 79660), (3983, 71780), (5180, 55193), (5690, 50246), (6790, 42106), (7178, 39830), (7966, 35890), (11380, 25123), (13580, 21053), (14356, 19915), (15932, 17945)]