179097100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19681}}^1$

素因数の和:19715

約数の個数: 72

約数和(自身を含む): 478351328

約数和(自身を除く): 299254228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 19681, 39362, 78724, 98405, 137767, 196810, 255853, 275534, 393620, 492025, 511706, 551068, 688835, 984050, 1023412, 1279265, 1377670, 1790971, 1968100, 2558530, 2755340, 3444175, 3581942, 5117060, 6396325, 6888350, 7163884, 8954855, 12792650, 13776700, 17909710, 25585300, 35819420, 44774275, 89548550, 179097100]

約数ペア:

[(1, 179097100), (2, 89548550), (4, 44774275), (5, 35819420), (7, 25585300), (10, 17909710), (13, 13776700), (14, 12792650), (20, 8954855), (25, 7163884), (26, 6888350), (28, 6396325), (35, 5117060), (50, 3581942), (52, 3444175), (65, 2755340), (70, 2558530), (91, 1968100), (100, 1790971), (130, 1377670), (140, 1279265), (175, 1023412), (182, 984050), (260, 688835), (325, 551068), (350, 511706), (364, 492025), (455, 393620), (650, 275534), (700, 255853), (910, 196810), (1300, 137767), (1820, 98405), (2275, 78724), (4550, 39362), (9100, 19681)]