31499440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56249}}^1$

素因数の和:56269

約数の個数: 40

約数和(自身を含む): 83700000

約数和(自身を除く): 52200560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56249, 112498, 224996, 281245, 393743, 449992, 562490, 787486, 899984, 1124980, 1574972, 1968715, 2249960, 3149944, 3937430, 4499920, 6299888, 7874860, 15749720, 31499440]

約数ペア:

[(1, 31499440), (2, 15749720), (4, 7874860), (5, 6299888), (7, 4499920), (8, 3937430), (10, 3149944), (14, 2249960), (16, 1968715), (20, 1574972), (28, 1124980), (35, 899984), (40, 787486), (56, 562490), (70, 449992), (80, 393743), (112, 281245), (140, 224996), (280, 112498), (560, 56249)]