70724620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 156240000

約数和(自身を除く): 85515380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 1999, 3538, 3998, 7076, 7996, 8845, 9995, 17690, 19990, 35380, 39980, 57971, 115942, 121939, 231884, 243878, 289855, 487756, 579710, 609695, 1159420, 1219390, 2438780, 3536231, 7072462, 14144924, 17681155, 35362310, 70724620]

約数ペア:

[(1, 70724620), (2, 35362310), (4, 17681155), (5, 14144924), (10, 7072462), (20, 3536231), (29, 2438780), (58, 1219390), (61, 1159420), (116, 609695), (122, 579710), (145, 487756), (244, 289855), (290, 243878), (305, 231884), (580, 121939), (610, 115942), (1220, 57971), (1769, 39980), (1999, 35380), (3538, 19990), (3998, 17690), (7076, 9995), (7996, 8845)]