73851820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 181848240

約数和(自身を除く): 107996420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 421, 490, 716, 842, 895, 980, 1253, 1684, 1790, 2105, 2506, 2947, 3580, 4210, 5012, 5894, 6265, 8420, 8771, 11788, 12530, 14735, 17542, 20629, 25060, 29470, 35084, 41258, 43855, 58940, 75359, 82516, 87710, 103145, 150718, 175420, 206290, 301436, 376795, 412580, 527513, 753590, 1055026, 1507180, 2110052, 2637565, 3692591, 5275130, 7385182, 10550260, 14770364, 18462955, 36925910, 73851820]

約数ペア:

[(1, 73851820), (2, 36925910), (4, 18462955), (5, 14770364), (7, 10550260), (10, 7385182), (14, 5275130), (20, 3692591), (28, 2637565), (35, 2110052), (49, 1507180), (70, 1055026), (98, 753590), (140, 527513), (179, 412580), (196, 376795), (245, 301436), (358, 206290), (421, 175420), (490, 150718), (716, 103145), (842, 87710), (895, 82516), (980, 75359), (1253, 58940), (1684, 43855), (1790, 41258), (2105, 35084), (2506, 29470), (2947, 25060), (3580, 20629), (4210, 17542), (5012, 14735), (5894, 12530), (6265, 11788), (8420, 8771)]