10521980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4454

約数の個数: 48

約数和(自身を含む): 26744256

約数和(自身を除く): 16222276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 4421, 8842, 17684, 22105, 30947, 44210, 61894, 75157, 88420, 123788, 150314, 154735, 300628, 309470, 375785, 526099, 618940, 751570, 1052198, 1503140, 2104396, 2630495, 5260990, 10521980]

約数ペア:

[(1, 10521980), (2, 5260990), (4, 2630495), (5, 2104396), (7, 1503140), (10, 1052198), (14, 751570), (17, 618940), (20, 526099), (28, 375785), (34, 309470), (35, 300628), (68, 154735), (70, 150314), (85, 123788), (119, 88420), (140, 75157), (170, 61894), (238, 44210), (340, 30947), (476, 22105), (595, 17684), (1190, 8842), (2380, 4421)]