207928875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 455270400

約数和(自身を除く): 247341525

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 125, 133, 165, 175, 209, 231, 275, 285, 375, 379, 385, 399, 475, 525, 627, 665, 825, 875, 1045, 1137, 1155, 1375, 1425, 1463, 1895, 1925, 1995, 2375, 2625, 2653, 3135, 3325, 4125, 4169, 4389, 5225, 5685, 5775, 7125, 7201, 7315, 7959, 9475, 9625, 9975, 12507, 13265, 15675, 16625, 20845, 21603, 21945, 26125, 28425, 28875, 29183, 36005, 36575, 39795, 47375, 49875, 50407, 62535, 66325, 78375, 79211, 87549, 104225, 108015, 109725, 142125, 145915, 151221, 180025, 182875, 198975, 237633, 252035, 312675, 331625, 396055, 437745, 521125, 540075, 548625, 554477, 729575, 756105, 900125, 994875, 1188165, 1260175, 1563375, 1663431, 1980275, 2188725, 2700375, 2772385, 3647875, 3780525, 5940825, 6300875, 8317155, 9901375, 10943625, 13861925, 18902625, 29704125, 41585775, 69309625, 207928875]

約数ペア:

[(1, 207928875), (3, 69309625), (5, 41585775), (7, 29704125), (11, 18902625), (15, 13861925), (19, 10943625), (21, 9901375), (25, 8317155), (33, 6300875), (35, 5940825), (55, 3780525), (57, 3647875), (75, 2772385), (77, 2700375), (95, 2188725), (105, 1980275), (125, 1663431), (133, 1563375), (165, 1260175), (175, 1188165), (209, 994875), (231, 900125), (275, 756105), (285, 729575), (375, 554477), (379, 548625), (385, 540075), (399, 521125), (475, 437745), (525, 396055), (627, 331625), (665, 312675), (825, 252035), (875, 237633), (1045, 198975), (1137, 182875), (1155, 180025), (1375, 151221), (1425, 145915), (1463, 142125), (1895, 109725), (1925, 108015), (1995, 104225), (2375, 87549), (2625, 79211), (2653, 78375), (3135, 66325), (3325, 62535), (4125, 50407), (4169, 49875), (4389, 47375), (5225, 39795), (5685, 36575), (5775, 36005), (7125, 29183), (7201, 28875), (7315, 28425), (7959, 26125), (9475, 21945), (9625, 21603), (9975, 20845), (12507, 16625), (13265, 15675)]