218362480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2786

約数の個数: 80

約数和(自身を含む): 584337600

約数和(自身を除く): 365975120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 2086, 2384, 2617, 2980, 4172, 5215, 5234, 5960, 8344, 10430, 10468, 11920, 13085, 16688, 18319, 20860, 20936, 26170, 36638, 41720, 41872, 52340, 73276, 83440, 91595, 104680, 146552, 183190, 209360, 293104, 366380, 389933, 732760, 779866, 1465520, 1559732, 1949665, 2729531, 3119464, 3899330, 5459062, 6238928, 7798660, 10918124, 13647655, 15597320, 21836248, 27295310, 31194640, 43672496, 54590620, 109181240, 218362480]

約数ペア:

[(1, 218362480), (2, 109181240), (4, 54590620), (5, 43672496), (7, 31194640), (8, 27295310), (10, 21836248), (14, 15597320), (16, 13647655), (20, 10918124), (28, 7798660), (35, 6238928), (40, 5459062), (56, 3899330), (70, 3119464), (80, 2729531), (112, 1949665), (140, 1559732), (149, 1465520), (280, 779866), (298, 732760), (560, 389933), (596, 366380), (745, 293104), (1043, 209360), (1192, 183190), (1490, 146552), (2086, 104680), (2384, 91595), (2617, 83440), (2980, 73276), (4172, 52340), (5215, 41872), (5234, 41720), (5960, 36638), (8344, 26170), (10430, 20936), (10468, 20860), (11920, 18319), (13085, 16688)]