345152020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21599}}^1$

素因数の和:21672

約数の個数: 48

約数和(自身を含む): 783820800

約数和(自身を除く): 438668780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 21599, 43198, 86396, 107995, 215990, 367183, 431980, 734366, 1015153, 1468732, 1835915, 2030306, 3671830, 4060612, 5075765, 7343660, 10151530, 17257601, 20303060, 34515202, 69030404, 86288005, 172576010, 345152020]

約数ペア:

[(1, 345152020), (2, 172576010), (4, 86288005), (5, 69030404), (10, 34515202), (17, 20303060), (20, 17257601), (34, 10151530), (47, 7343660), (68, 5075765), (85, 4060612), (94, 3671830), (170, 2030306), (188, 1835915), (235, 1468732), (340, 1015153), (470, 734366), (799, 431980), (940, 367183), (1598, 215990), (3196, 107995), (3995, 86396), (7990, 43198), (15980, 21599)]