257788700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3361}}^1$

素因数の和:3447

約数の個数: 72

約数和(自身を含む): 612825360

約数和(自身を除く): 355036660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 260, 295, 325, 590, 650, 767, 1180, 1300, 1475, 1534, 2950, 3068, 3361, 3835, 5900, 6722, 7670, 13444, 15340, 16805, 19175, 33610, 38350, 43693, 67220, 76700, 84025, 87386, 168050, 174772, 198299, 218465, 336100, 396598, 436930, 793196, 873860, 991495, 1092325, 1982990, 2184650, 2577887, 3965980, 4369300, 4957475, 5155774, 9914950, 10311548, 12889435, 19829900, 25778870, 51557740, 64447175, 128894350, 257788700]

約数ペア:

[(1, 257788700), (2, 128894350), (4, 64447175), (5, 51557740), (10, 25778870), (13, 19829900), (20, 12889435), (25, 10311548), (26, 9914950), (50, 5155774), (52, 4957475), (59, 4369300), (65, 3965980), (100, 2577887), (118, 2184650), (130, 1982990), (236, 1092325), (260, 991495), (295, 873860), (325, 793196), (590, 436930), (650, 396598), (767, 336100), (1180, 218465), (1300, 198299), (1475, 174772), (1534, 168050), (2950, 87386), (3068, 84025), (3361, 76700), (3835, 67220), (5900, 43693), (6722, 38350), (7670, 33610), (13444, 19175), (15340, 16805)]