207527500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 507774960

約数和(自身を除く): 300247460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 257, 323, 340, 380, 425, 475, 500, 514, 625, 646, 850, 950, 1028, 1250, 1285, 1292, 1615, 1700, 1900, 2125, 2375, 2500, 2570, 3230, 4250, 4369, 4750, 4883, 5140, 6425, 6460, 8075, 8500, 8738, 9500, 9766, 10625, 11875, 12850, 16150, 17476, 19532, 21250, 21845, 23750, 24415, 25700, 32125, 32300, 40375, 42500, 43690, 47500, 48830, 64250, 80750, 83011, 87380, 97660, 109225, 122075, 128500, 160625, 161500, 166022, 201875, 218450, 244150, 321250, 332044, 403750, 415055, 436900, 488300, 546125, 610375, 642500, 807500, 830110, 1092250, 1220750, 1660220, 2075275, 2184500, 2441500, 2730625, 3051875, 4150550, 5461250, 6103750, 8301100, 10376375, 10922500, 12207500, 20752750, 41505500, 51881875, 103763750, 207527500]

約数ペア:

[(1, 207527500), (2, 103763750), (4, 51881875), (5, 41505500), (10, 20752750), (17, 12207500), (19, 10922500), (20, 10376375), (25, 8301100), (34, 6103750), (38, 5461250), (50, 4150550), (68, 3051875), (76, 2730625), (85, 2441500), (95, 2184500), (100, 2075275), (125, 1660220), (170, 1220750), (190, 1092250), (250, 830110), (257, 807500), (323, 642500), (340, 610375), (380, 546125), (425, 488300), (475, 436900), (500, 415055), (514, 403750), (625, 332044), (646, 321250), (850, 244150), (950, 218450), (1028, 201875), (1250, 166022), (1285, 161500), (1292, 160625), (1615, 128500), (1700, 122075), (1900, 109225), (2125, 97660), (2375, 87380), (2500, 83011), (2570, 80750), (3230, 64250), (4250, 48830), (4369, 47500), (4750, 43690), (4883, 42500), (5140, 40375), (6425, 32300), (6460, 32125), (8075, 25700), (8500, 24415), (8738, 23750), (9500, 21845), (9766, 21250), (10625, 19532), (11875, 17476), (12850, 16150)]