221358540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283793}}^1$

素因数の和:283818

約数の個数: 48

約数和(自身を含む): 667483488

約数和(自身を除く): 446124948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 283793, 567586, 851379, 1135172, 1418965, 1702758, 2837930, 3405516, 3689309, 4256895, 5675860, 7378618, 8513790, 11067927, 14757236, 17027580, 18446545, 22135854, 36893090, 44271708, 55339635, 73786180, 110679270, 221358540]

約数ペア:

[(1, 221358540), (2, 110679270), (3, 73786180), (4, 55339635), (5, 44271708), (6, 36893090), (10, 22135854), (12, 18446545), (13, 17027580), (15, 14757236), (20, 11067927), (26, 8513790), (30, 7378618), (39, 5675860), (52, 4256895), (60, 3689309), (65, 3405516), (78, 2837930), (130, 1702758), (156, 1418965), (195, 1135172), (260, 851379), (390, 567586), (780, 283793)]