251400400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1741}}^1$

素因数の和:1797

約数の個数: 90

約数和(自身を含む): 637817622

約数和(自身を除く): 386417222

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 361, 380, 400, 475, 722, 760, 950, 1444, 1520, 1741, 1805, 1900, 2888, 3482, 3610, 3800, 5776, 6964, 7220, 7600, 8705, 9025, 13928, 14440, 17410, 18050, 27856, 28880, 33079, 34820, 36100, 43525, 66158, 69640, 72200, 87050, 132316, 139280, 144400, 165395, 174100, 264632, 330790, 348200, 529264, 628501, 661580, 696400, 826975, 1257002, 1323160, 1653950, 2514004, 2646320, 3142505, 3307900, 5028008, 6285010, 6615800, 10056016, 12570020, 13231600, 15712525, 25140040, 31425050, 50280080, 62850100, 125700200, 251400400]

約数ペア:

[(1, 251400400), (2, 125700200), (4, 62850100), (5, 50280080), (8, 31425050), (10, 25140040), (16, 15712525), (19, 13231600), (20, 12570020), (25, 10056016), (38, 6615800), (40, 6285010), (50, 5028008), (76, 3307900), (80, 3142505), (95, 2646320), (100, 2514004), (152, 1653950), (190, 1323160), (200, 1257002), (304, 826975), (361, 696400), (380, 661580), (400, 628501), (475, 529264), (722, 348200), (760, 330790), (950, 264632), (1444, 174100), (1520, 165395), (1741, 144400), (1805, 139280), (1900, 132316), (2888, 87050), (3482, 72200), (3610, 69640), (3800, 66158), (5776, 43525), (6964, 36100), (7220, 34820), (7600, 33079), (8705, 28880), (9025, 27856), (13928, 18050), (14440, 17410)]