725690140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{18713}}^1$

素因数の和:19006

約数の個数: 48

約数和(自身を含む): 1748037312

約数和(自身を除く): 1022347172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 7756, 9695, 18713, 19390, 37426, 38780, 74852, 93565, 130991, 187130, 261982, 374260, 523964, 654955, 1309910, 2619820, 5183501, 10367002, 20734004, 25917505, 36284507, 51835010, 72569014, 103670020, 145138028, 181422535, 362845070, 725690140]

約数ペア:

[(1, 725690140), (2, 362845070), (4, 181422535), (5, 145138028), (7, 103670020), (10, 72569014), (14, 51835010), (20, 36284507), (28, 25917505), (35, 20734004), (70, 10367002), (140, 5183501), (277, 2619820), (554, 1309910), (1108, 654955), (1385, 523964), (1939, 374260), (2770, 261982), (3878, 187130), (5540, 130991), (7756, 93565), (9695, 74852), (18713, 38780), (19390, 37426)]