77857460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 170145360

約数和(自身を除く): 92287900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 241, 290, 482, 557, 580, 964, 1114, 1205, 2228, 2410, 2785, 4820, 5570, 6989, 11140, 13978, 16153, 27956, 32306, 34945, 64612, 69890, 80765, 134237, 139780, 161530, 268474, 323060, 536948, 671185, 1342370, 2684740, 3892873, 7785746, 15571492, 19464365, 38928730, 77857460]

約数ペア:

[(1, 77857460), (2, 38928730), (4, 19464365), (5, 15571492), (10, 7785746), (20, 3892873), (29, 2684740), (58, 1342370), (116, 671185), (145, 536948), (241, 323060), (290, 268474), (482, 161530), (557, 139780), (580, 134237), (964, 80765), (1114, 69890), (1205, 64612), (2228, 34945), (2410, 32306), (2785, 27956), (4820, 16153), (5570, 13978), (6989, 11140)]