8719100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 21509040

約数和(自身を除く): 12789940

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 353, 380, 475, 494, 650, 706, 950, 988, 1235, 1300, 1412, 1765, 1900, 2470, 3530, 4589, 4940, 6175, 6707, 7060, 8825, 9178, 12350, 13414, 17650, 18356, 22945, 24700, 26828, 33535, 35300, 45890, 67070, 87191, 91780, 114725, 134140, 167675, 174382, 229450, 335350, 348764, 435955, 458900, 670700, 871910, 1743820, 2179775, 4359550, 8719100]

約数ペア:

[(1, 8719100), (2, 4359550), (4, 2179775), (5, 1743820), (10, 871910), (13, 670700), (19, 458900), (20, 435955), (25, 348764), (26, 335350), (38, 229450), (50, 174382), (52, 167675), (65, 134140), (76, 114725), (95, 91780), (100, 87191), (130, 67070), (190, 45890), (247, 35300), (260, 33535), (325, 26828), (353, 24700), (380, 22945), (475, 18356), (494, 17650), (650, 13414), (706, 12350), (950, 9178), (988, 8825), (1235, 7060), (1300, 6707), (1412, 6175), (1765, 4940), (1900, 4589), (2470, 3530)]