89445860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22031}}^1$

素因数の和:22076

約数の個数: 48

約数和(自身を含む): 222082560

約数和(自身を除く): 132636700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 22031, 44062, 88124, 110155, 154217, 220310, 308434, 440620, 616868, 638899, 771085, 1277798, 1542170, 2555596, 3084340, 3194495, 4472293, 6388990, 8944586, 12777980, 17889172, 22361465, 44722930, 89445860]

約数ペア:

[(1, 89445860), (2, 44722930), (4, 22361465), (5, 17889172), (7, 12777980), (10, 8944586), (14, 6388990), (20, 4472293), (28, 3194495), (29, 3084340), (35, 2555596), (58, 1542170), (70, 1277798), (116, 771085), (140, 638899), (145, 616868), (203, 440620), (290, 308434), (406, 220310), (580, 154217), (812, 110155), (1015, 88124), (2030, 44062), (4060, 22031)]