2780453000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{213881}}^1$

素因数の和:213915

約数の個数: 64

約数和(自身を含む): 7006774320

約数和(自身を除く): 4226321320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 213881, 427762, 855524, 1069405, 1711048, 2138810, 2780453, 4277620, 5347025, 5560906, 8555240, 10694050, 11121812, 13902265, 21388100, 22243624, 26735125, 27804530, 42776200, 53470250, 55609060, 69511325, 106940500, 111218120, 139022650, 213881000, 278045300, 347556625, 556090600, 695113250, 1390226500, 2780453000]

約数ペア:

[(1, 2780453000), (2, 1390226500), (4, 695113250), (5, 556090600), (8, 347556625), (10, 278045300), (13, 213881000), (20, 139022650), (25, 111218120), (26, 106940500), (40, 69511325), (50, 55609060), (52, 53470250), (65, 42776200), (100, 27804530), (104, 26735125), (125, 22243624), (130, 21388100), (200, 13902265), (250, 11121812), (260, 10694050), (325, 8555240), (500, 5560906), (520, 5347025), (650, 4277620), (1000, 2780453), (1300, 2138810), (1625, 1711048), (2600, 1069405), (3250, 855524), (6500, 427762), (13000, 213881)]