173423920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69929}}^1$

素因数の和:69973

約数の個数: 40

約数和(自身を含む): 416223360

約数和(自身を除く): 242799440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 69929, 139858, 279716, 349645, 559432, 699290, 1118864, 1398580, 2167799, 2797160, 4335598, 5594320, 8671196, 10838995, 17342392, 21677990, 34684784, 43355980, 86711960, 173423920]

約数ペア:

[(1, 173423920), (2, 86711960), (4, 43355980), (5, 34684784), (8, 21677990), (10, 17342392), (16, 10838995), (20, 8671196), (31, 5594320), (40, 4335598), (62, 2797160), (80, 2167799), (124, 1398580), (155, 1118864), (248, 699290), (310, 559432), (496, 349645), (620, 279716), (1240, 139858), (2480, 69929)]