7664020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4240

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 12149228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4211, 8422, 16844, 21055, 29477, 42110, 54743, 58954, 84220, 109486, 117908, 147385, 218972, 273715, 294770, 383201, 547430, 589540, 766402, 1094860, 1532804, 1916005, 3832010, 7664020]

約数ペア:

[(1, 7664020), (2, 3832010), (4, 1916005), (5, 1532804), (7, 1094860), (10, 766402), (13, 589540), (14, 547430), (20, 383201), (26, 294770), (28, 273715), (35, 218972), (52, 147385), (65, 117908), (70, 109486), (91, 84220), (130, 58954), (140, 54743), (182, 42110), (260, 29477), (364, 21055), (455, 16844), (910, 8422), (1820, 4211)]