90740000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 120

約数和(自身を含む): 241094700

約数和(自身を除く): 150354700

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 349, 400, 416, 500, 520, 625, 650, 698, 800, 1000, 1040, 1250, 1300, 1396, 1625, 1745, 2000, 2080, 2500, 2600, 2792, 3250, 3490, 4000, 4537, 5000, 5200, 5584, 6500, 6980, 8125, 8725, 9074, 10000, 10400, 11168, 13000, 13960, 16250, 17450, 18148, 20000, 22685, 26000, 27920, 32500, 34900, 36296, 43625, 45370, 52000, 55840, 65000, 69800, 72592, 87250, 90740, 113425, 130000, 139600, 145184, 174500, 181480, 218125, 226850, 260000, 279200, 349000, 362960, 436250, 453700, 567125, 698000, 725920, 872500, 907400, 1134250, 1396000, 1745000, 1814800, 2268500, 2835625, 3490000, 3629600, 4537000, 5671250, 6980000, 9074000, 11342500, 18148000, 22685000, 45370000, 90740000]

約数ペア:

[(1, 90740000), (2, 45370000), (4, 22685000), (5, 18148000), (8, 11342500), (10, 9074000), (13, 6980000), (16, 5671250), (20, 4537000), (25, 3629600), (26, 3490000), (32, 2835625), (40, 2268500), (50, 1814800), (52, 1745000), (65, 1396000), (80, 1134250), (100, 907400), (104, 872500), (125, 725920), (130, 698000), (160, 567125), (200, 453700), (208, 436250), (250, 362960), (260, 349000), (325, 279200), (349, 260000), (400, 226850), (416, 218125), (500, 181480), (520, 174500), (625, 145184), (650, 139600), (698, 130000), (800, 113425), (1000, 90740), (1040, 87250), (1250, 72592), (1300, 69800), (1396, 65000), (1625, 55840), (1745, 52000), (2000, 45370), (2080, 43625), (2500, 36296), (2600, 34900), (2792, 32500), (3250, 27920), (3490, 26000), (4000, 22685), (4537, 20000), (5000, 18148), (5200, 17450), (5584, 16250), (6500, 13960), (6980, 13000), (8125, 11168), (8725, 10400), (9074, 10000)]