7155980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 17146080

約数和(自身を除く): 9990100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1619, 2210, 3238, 4420, 6476, 8095, 16190, 21047, 27523, 32380, 42094, 55046, 84188, 105235, 110092, 137615, 210470, 275230, 357799, 420940, 550460, 715598, 1431196, 1788995, 3577990, 7155980]

約数ペア:

[(1, 7155980), (2, 3577990), (4, 1788995), (5, 1431196), (10, 715598), (13, 550460), (17, 420940), (20, 357799), (26, 275230), (34, 210470), (52, 137615), (65, 110092), (68, 105235), (85, 84188), (130, 55046), (170, 42094), (221, 32380), (260, 27523), (340, 21047), (442, 16190), (884, 8095), (1105, 6476), (1619, 4420), (2210, 3238)]