247127960

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{11813}}^1$

素因数の和:12347

約数の個数: 32

約数和(自身を含む): 557148240

約数和(自身を除く): 310020280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 11813, 20920, 23626, 47252, 59065, 94504, 118130, 236260, 472520, 6178199, 12356398, 24712796, 30890995, 49425592, 61781990, 123563980, 247127960]

約数ペア:

[(1, 247127960), (2, 123563980), (4, 61781990), (5, 49425592), (8, 30890995), (10, 24712796), (20, 12356398), (40, 6178199), (523, 472520), (1046, 236260), (2092, 118130), (2615, 94504), (4184, 59065), (5230, 47252), (10460, 23626), (11813, 20920)]