19744282375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 26574912000

約数和(自身を除く): 6830629625

約数列:

[1, 5, 17, 25, 79, 85, 125, 337, 349, 395, 425, 1343, 1685, 1745, 1975, 2125, 5729, 5933, 6715, 8425, 8725, 9875, 26623, 27571, 28645, 29665, 33575, 42125, 43625, 117613, 133115, 137855, 143225, 148325, 167875, 452591, 468707, 588065, 665575, 689275, 716125, 741625, 1999421, 2262955, 2343535, 2940325, 3327875, 3446375, 9291427, 9997105, 11314775, 11717675, 14701625, 46457135, 49985525, 56573875, 58588375, 157954259, 232285675, 249927625, 789771295, 1161428375, 3948856475, 19744282375]

約数ペア:

[(1, 19744282375), (5, 3948856475), (17, 1161428375), (25, 789771295), (79, 249927625), (85, 232285675), (125, 157954259), (337, 58588375), (349, 56573875), (395, 49985525), (425, 46457135), (1343, 14701625), (1685, 11717675), (1745, 11314775), (1975, 9997105), (2125, 9291427), (5729, 3446375), (5933, 3327875), (6715, 2940325), (8425, 2343535), (8725, 2262955), (9875, 1999421), (26623, 741625), (27571, 716125), (28645, 689275), (29665, 665575), (33575, 588065), (42125, 468707), (43625, 452591), (117613, 167875), (133115, 148325), (137855, 143225)]