248835160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{38639}}^1$

素因数の和:38680

約数の個数: 64

約数和(自身を含む): 667699200

約数和(自身を除く): 418864040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 38639, 77278, 154556, 193195, 270473, 309112, 386390, 540946, 772780, 888697, 1081892, 1352365, 1545560, 1777394, 2163784, 2704730, 3554788, 4443485, 5409460, 6220879, 7109576, 8886970, 10818920, 12441758, 17773940, 24883516, 31104395, 35547880, 49767032, 62208790, 124417580, 248835160]

約数ペア:

[(1, 248835160), (2, 124417580), (4, 62208790), (5, 49767032), (7, 35547880), (8, 31104395), (10, 24883516), (14, 17773940), (20, 12441758), (23, 10818920), (28, 8886970), (35, 7109576), (40, 6220879), (46, 5409460), (56, 4443485), (70, 3554788), (92, 2704730), (115, 2163784), (140, 1777394), (161, 1545560), (184, 1352365), (230, 1081892), (280, 888697), (322, 772780), (460, 540946), (644, 386390), (805, 309112), (920, 270473), (1288, 193195), (1610, 154556), (3220, 77278), (6440, 38639)]