68167900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 153990144

約数和(自身を除く): 85822244

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 166, 172, 191, 215, 332, 382, 415, 430, 764, 830, 860, 955, 1075, 1660, 1910, 2075, 2150, 3569, 3820, 4150, 4300, 4775, 7138, 8213, 8300, 9550, 14276, 15853, 16426, 17845, 19100, 31706, 32852, 35690, 41065, 63412, 71380, 79265, 82130, 89225, 158530, 164260, 178450, 205325, 317060, 356900, 396325, 410650, 681679, 792650, 821300, 1363358, 1585300, 2726716, 3408395, 6816790, 13633580, 17041975, 34083950, 68167900]

約数ペア:

[(1, 68167900), (2, 34083950), (4, 17041975), (5, 13633580), (10, 6816790), (20, 3408395), (25, 2726716), (43, 1585300), (50, 1363358), (83, 821300), (86, 792650), (100, 681679), (166, 410650), (172, 396325), (191, 356900), (215, 317060), (332, 205325), (382, 178450), (415, 164260), (430, 158530), (764, 89225), (830, 82130), (860, 79265), (955, 71380), (1075, 63412), (1660, 41065), (1910, 35690), (2075, 32852), (2150, 31706), (3569, 19100), (3820, 17845), (4150, 16426), (4300, 15853), (4775, 14276), (7138, 9550), (8213, 8300)]