248045500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 565044480

約数和(自身を除く): 316998980

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 125, 139, 166, 172, 215, 250, 278, 332, 415, 430, 500, 556, 695, 830, 860, 1075, 1390, 1660, 2075, 2150, 2780, 3475, 3569, 4150, 4300, 5375, 5977, 6950, 7138, 8300, 10375, 10750, 11537, 11954, 13900, 14276, 17375, 17845, 20750, 21500, 23074, 23908, 29885, 34750, 35690, 41500, 46148, 57685, 59770, 69500, 71380, 89225, 115370, 119540, 149425, 178450, 230740, 288425, 298850, 356900, 446125, 496091, 576850, 597700, 747125, 892250, 992182, 1153700, 1442125, 1494250, 1784500, 1984364, 2480455, 2884250, 2988500, 4960910, 5768500, 9921820, 12402275, 24804550, 49609100, 62011375, 124022750, 248045500]

約数ペア:

[(1, 248045500), (2, 124022750), (4, 62011375), (5, 49609100), (10, 24804550), (20, 12402275), (25, 9921820), (43, 5768500), (50, 4960910), (83, 2988500), (86, 2884250), (100, 2480455), (125, 1984364), (139, 1784500), (166, 1494250), (172, 1442125), (215, 1153700), (250, 992182), (278, 892250), (332, 747125), (415, 597700), (430, 576850), (500, 496091), (556, 446125), (695, 356900), (830, 298850), (860, 288425), (1075, 230740), (1390, 178450), (1660, 149425), (2075, 119540), (2150, 115370), (2780, 89225), (3475, 71380), (3569, 69500), (4150, 59770), (4300, 57685), (5375, 46148), (5977, 41500), (6950, 35690), (7138, 34750), (8300, 29885), (10375, 23908), (10750, 23074), (11537, 21500), (11954, 20750), (13900, 17845), (14276, 17375)]