9948020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 12550540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 557, 893, 940, 1114, 1786, 2228, 2785, 3572, 4465, 5570, 8930, 10583, 11140, 17860, 21166, 26179, 42332, 52358, 52915, 104716, 105830, 130895, 211660, 261790, 497401, 523580, 994802, 1989604, 2487005, 4974010, 9948020]

約数ペア:

[(1, 9948020), (2, 4974010), (4, 2487005), (5, 1989604), (10, 994802), (19, 523580), (20, 497401), (38, 261790), (47, 211660), (76, 130895), (94, 105830), (95, 104716), (188, 52915), (190, 52358), (235, 42332), (380, 26179), (470, 21166), (557, 17860), (893, 11140), (940, 10583), (1114, 8930), (1786, 5570), (2228, 4465), (2785, 3572)]