1249661875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 2033349120

約数和(自身を除く): 783687245

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 125, 161, 175, 253, 275, 385, 575, 625, 805, 875, 1129, 1265, 1375, 1771, 1925, 2875, 4025, 4375, 5645, 6325, 6875, 7903, 8855, 9625, 12419, 14375, 20125, 25967, 28225, 31625, 39515, 44275, 48125, 62095, 86933, 100625, 129835, 141125, 158125, 181769, 197575, 221375, 285637, 310475, 434665, 649175, 705625, 908845, 987875, 1106875, 1428185, 1552375, 1999459, 2173325, 3245875, 4544225, 4939375, 7140925, 7761875, 9997295, 10866625, 16229375, 22721125, 35704625, 49986475, 54333125, 113605625, 178523125, 249932375, 1249661875]

約数ペア:

[(1, 1249661875), (5, 249932375), (7, 178523125), (11, 113605625), (23, 54333125), (25, 49986475), (35, 35704625), (55, 22721125), (77, 16229375), (115, 10866625), (125, 9997295), (161, 7761875), (175, 7140925), (253, 4939375), (275, 4544225), (385, 3245875), (575, 2173325), (625, 1999459), (805, 1552375), (875, 1428185), (1129, 1106875), (1265, 987875), (1375, 908845), (1771, 705625), (1925, 649175), (2875, 434665), (4025, 310475), (4375, 285637), (5645, 221375), (6325, 197575), (6875, 181769), (7903, 158125), (8855, 141125), (9625, 129835), (12419, 100625), (14375, 86933), (20125, 62095), (25967, 48125), (28225, 44275), (31625, 39515)]