138680900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 333408348

約数和(自身を除く): 194727448

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 50, 58, 68, 85, 97, 100, 116, 145, 170, 194, 290, 340, 388, 425, 485, 493, 580, 725, 841, 850, 970, 986, 1450, 1649, 1682, 1700, 1940, 1972, 2425, 2465, 2813, 2900, 3298, 3364, 4205, 4850, 4930, 5626, 6596, 8245, 8410, 9700, 9860, 11252, 12325, 14065, 14297, 16490, 16820, 21025, 24650, 28130, 28594, 32980, 41225, 42050, 47821, 49300, 56260, 57188, 70325, 71485, 81577, 82450, 84100, 95642, 140650, 142970, 163154, 164900, 191284, 239105, 281300, 285940, 326308, 357425, 407885, 478210, 714850, 815770, 956420, 1195525, 1386809, 1429700, 1631540, 2039425, 2391050, 2773618, 4078850, 4782100, 5547236, 6934045, 8157700, 13868090, 27736180, 34670225, 69340450, 138680900]

約数ペア:

[(1, 138680900), (2, 69340450), (4, 34670225), (5, 27736180), (10, 13868090), (17, 8157700), (20, 6934045), (25, 5547236), (29, 4782100), (34, 4078850), (50, 2773618), (58, 2391050), (68, 2039425), (85, 1631540), (97, 1429700), (100, 1386809), (116, 1195525), (145, 956420), (170, 815770), (194, 714850), (290, 478210), (340, 407885), (388, 357425), (425, 326308), (485, 285940), (493, 281300), (580, 239105), (725, 191284), (841, 164900), (850, 163154), (970, 142970), (986, 140650), (1450, 95642), (1649, 84100), (1682, 82450), (1700, 81577), (1940, 71485), (1972, 70325), (2425, 57188), (2465, 56260), (2813, 49300), (2900, 47821), (3298, 42050), (3364, 41225), (4205, 32980), (4850, 28594), (4930, 28130), (5626, 24650), (6596, 21025), (8245, 16820), (8410, 16490), (9700, 14297), (9860, 14065), (11252, 12325)]