2130391420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1\times {\mathrm{2251}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 4540032000

約数和(自身を除く): 2409640580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 599, 790, 1198, 1580, 2251, 2396, 2995, 4502, 5990, 9004, 11255, 11980, 22510, 45020, 47321, 94642, 177829, 189284, 236605, 355658, 473210, 711316, 889145, 946420, 1348349, 1778290, 2696698, 3556580, 5393396, 6741745, 13483490, 26966980, 106519571, 213039142, 426078284, 532597855, 1065195710, 2130391420]

約数ペア:

[(1, 2130391420), (2, 1065195710), (4, 532597855), (5, 426078284), (10, 213039142), (20, 106519571), (79, 26966980), (158, 13483490), (316, 6741745), (395, 5393396), (599, 3556580), (790, 2696698), (1198, 1778290), (1580, 1348349), (2251, 946420), (2396, 889145), (2995, 711316), (4502, 473210), (5990, 355658), (9004, 236605), (11255, 189284), (11980, 177829), (22510, 94642), (45020, 47321)]