312777220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1309

約数の個数: 96

約数和(自身を含む): 802545408

約数和(自身を除く): 489768188

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 113, 119, 140, 170, 226, 238, 340, 452, 476, 565, 595, 791, 1130, 1163, 1190, 1582, 1921, 2260, 2326, 2380, 3164, 3842, 3955, 4652, 5815, 7684, 7910, 8141, 9605, 11630, 13447, 15820, 16282, 19210, 19771, 23260, 26894, 32564, 38420, 39542, 40705, 53788, 67235, 79084, 81410, 98855, 131419, 134470, 138397, 162820, 197710, 262838, 268940, 276794, 395420, 525676, 553588, 657095, 691985, 919933, 1314190, 1383970, 1839866, 2234123, 2628380, 2767940, 3679732, 4468246, 4599665, 8936492, 9199330, 11170615, 15638861, 18398660, 22341230, 31277722, 44682460, 62555444, 78194305, 156388610, 312777220]

約数ペア:

[(1, 312777220), (2, 156388610), (4, 78194305), (5, 62555444), (7, 44682460), (10, 31277722), (14, 22341230), (17, 18398660), (20, 15638861), (28, 11170615), (34, 9199330), (35, 8936492), (68, 4599665), (70, 4468246), (85, 3679732), (113, 2767940), (119, 2628380), (140, 2234123), (170, 1839866), (226, 1383970), (238, 1314190), (340, 919933), (452, 691985), (476, 657095), (565, 553588), (595, 525676), (791, 395420), (1130, 276794), (1163, 268940), (1190, 262838), (1582, 197710), (1921, 162820), (2260, 138397), (2326, 134470), (2380, 131419), (3164, 98855), (3842, 81410), (3955, 79084), (4652, 67235), (5815, 53788), (7684, 40705), (7910, 39542), (8141, 38420), (9605, 32564), (11630, 26894), (13447, 23260), (15820, 19771), (16282, 19210)]