28504280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14543}}^1$

素因数の和:14568

約数の個数: 48

約数和(自身を含む): 74610720

約数和(自身を除く): 46106440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14543, 29086, 58172, 72715, 101801, 116344, 145430, 203602, 290860, 407204, 509005, 581720, 712607, 814408, 1018010, 1425214, 2036020, 2850428, 3563035, 4072040, 5700856, 7126070, 14252140, 28504280]

約数ペア:

[(1, 28504280), (2, 14252140), (4, 7126070), (5, 5700856), (7, 4072040), (8, 3563035), (10, 2850428), (14, 2036020), (20, 1425214), (28, 1018010), (35, 814408), (40, 712607), (49, 581720), (56, 509005), (70, 407204), (98, 290860), (140, 203602), (196, 145430), (245, 116344), (280, 101801), (392, 72715), (490, 58172), (980, 29086), (1960, 14543)]