307777330

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 657100800

約数和(自身を除く): 349323470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 343, 427, 490, 610, 686, 854, 1471, 1715, 2135, 2942, 2989, 3430, 4270, 5978, 7355, 10297, 14710, 14945, 20594, 20923, 29890, 41846, 51485, 72079, 89731, 102970, 104615, 144158, 179462, 209230, 360395, 448655, 504553, 628117, 720790, 897310, 1009106, 1256234, 2522765, 3140585, 4396819, 5045530, 6281170, 8793638, 21984095, 30777733, 43968190, 61555466, 153888665, 307777330]

約数ペア:

[(1, 307777330), (2, 153888665), (5, 61555466), (7, 43968190), (10, 30777733), (14, 21984095), (35, 8793638), (49, 6281170), (61, 5045530), (70, 4396819), (98, 3140585), (122, 2522765), (245, 1256234), (305, 1009106), (343, 897310), (427, 720790), (490, 628117), (610, 504553), (686, 448655), (854, 360395), (1471, 209230), (1715, 179462), (2135, 144158), (2942, 104615), (2989, 102970), (3430, 89731), (4270, 72079), (5978, 51485), (7355, 41846), (10297, 29890), (14710, 20923), (14945, 20594)]