4900490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 10477512

約数和(自身を除く): 5577022

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 137, 146, 245, 274, 365, 490, 511, 685, 730, 959, 1022, 1370, 1918, 2555, 3577, 4795, 5110, 6713, 7154, 9590, 10001, 13426, 17885, 20002, 33565, 35770, 50005, 67130, 70007, 100010, 140014, 350035, 490049, 700070, 980098, 2450245, 4900490]

約数ペア:

[(1, 4900490), (2, 2450245), (5, 980098), (7, 700070), (10, 490049), (14, 350035), (35, 140014), (49, 100010), (70, 70007), (73, 67130), (98, 50005), (137, 35770), (146, 33565), (245, 20002), (274, 17885), (365, 13426), (490, 10001), (511, 9590), (685, 7154), (730, 6713), (959, 5110), (1022, 4795), (1370, 3577), (1918, 2555)]