205027576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 424116000

約数和(自身を除く): 219088424

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 131, 149, 202, 262, 298, 404, 524, 596, 808, 1048, 1192, 1313, 1703, 1937, 2626, 3406, 3874, 5252, 6812, 7748, 10504, 13231, 13624, 15049, 15496, 19519, 26462, 30098, 39038, 52924, 60196, 78076, 105848, 120392, 156152, 172003, 195637, 253747, 344006, 391274, 507494, 688012, 782548, 1014988, 1376024, 1565096, 1971419, 2029976, 3942838, 7885676, 15771352, 25628447, 51256894, 102513788, 205027576]

約数ペア:

[(1, 205027576), (2, 102513788), (4, 51256894), (8, 25628447), (13, 15771352), (26, 7885676), (52, 3942838), (101, 2029976), (104, 1971419), (131, 1565096), (149, 1376024), (202, 1014988), (262, 782548), (298, 688012), (404, 507494), (524, 391274), (596, 344006), (808, 253747), (1048, 195637), (1192, 172003), (1313, 156152), (1703, 120392), (1937, 105848), (2626, 78076), (3406, 60196), (3874, 52924), (5252, 39038), (6812, 30098), (7748, 26462), (10504, 19519), (13231, 15496), (13624, 15049)]