201999875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 324919296

約数和(自身を除く): 122919421

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 125, 155, 175, 217, 275, 341, 385, 677, 775, 875, 1085, 1375, 1705, 1925, 2387, 3385, 3875, 4739, 5425, 7447, 8525, 9625, 11935, 16925, 20987, 23695, 27125, 37235, 42625, 52129, 59675, 84625, 104935, 118475, 146909, 186175, 230857, 260645, 298375, 524675, 592375, 734545, 930875, 1154285, 1303225, 1615999, 2623375, 3672725, 5771425, 6516125, 8079995, 18363625, 28857125, 40399975, 201999875]

約数ペア:

[(1, 201999875), (5, 40399975), (7, 28857125), (11, 18363625), (25, 8079995), (31, 6516125), (35, 5771425), (55, 3672725), (77, 2623375), (125, 1615999), (155, 1303225), (175, 1154285), (217, 930875), (275, 734545), (341, 592375), (385, 524675), (677, 298375), (775, 260645), (875, 230857), (1085, 186175), (1375, 146909), (1705, 118475), (1925, 104935), (2387, 84625), (3385, 59675), (3875, 52129), (4739, 42625), (5425, 37235), (7447, 27125), (8525, 23695), (9625, 20987), (11935, 16925)]