280166500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 637693056

約数和(自身を除く): 357526556

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 125, 157, 166, 172, 215, 250, 314, 332, 415, 430, 500, 628, 785, 830, 860, 1075, 1570, 1660, 2075, 2150, 3140, 3569, 3925, 4150, 4300, 5375, 6751, 7138, 7850, 8300, 10375, 10750, 13031, 13502, 14276, 15700, 17845, 19625, 20750, 21500, 26062, 27004, 33755, 35690, 39250, 41500, 52124, 65155, 67510, 71380, 78500, 89225, 130310, 135020, 168775, 178450, 260620, 325775, 337550, 356900, 446125, 560333, 651550, 675100, 843875, 892250, 1120666, 1303100, 1628875, 1687750, 1784500, 2241332, 2801665, 3257750, 3375500, 5603330, 6515500, 11206660, 14008325, 28016650, 56033300, 70041625, 140083250, 280166500]

約数ペア:

[(1, 280166500), (2, 140083250), (4, 70041625), (5, 56033300), (10, 28016650), (20, 14008325), (25, 11206660), (43, 6515500), (50, 5603330), (83, 3375500), (86, 3257750), (100, 2801665), (125, 2241332), (157, 1784500), (166, 1687750), (172, 1628875), (215, 1303100), (250, 1120666), (314, 892250), (332, 843875), (415, 675100), (430, 651550), (500, 560333), (628, 446125), (785, 356900), (830, 337550), (860, 325775), (1075, 260620), (1570, 178450), (1660, 168775), (2075, 135020), (2150, 130310), (3140, 89225), (3569, 78500), (3925, 71380), (4150, 67510), (4300, 65155), (5375, 52124), (6751, 41500), (7138, 39250), (7850, 35690), (8300, 33755), (10375, 27004), (10750, 26062), (13031, 21500), (13502, 20750), (14276, 19625), (15700, 17845)]