10400390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 14759290

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1039, 1430, 2002, 2078, 5005, 5195, 7273, 10010, 10390, 11429, 13507, 14546, 22858, 27014, 36365, 57145, 67535, 72730, 80003, 94549, 114290, 135070, 148577, 160006, 189098, 297154, 400015, 472745, 742885, 800030, 945490, 1040039, 1485770, 2080078, 5200195, 10400390]

約数ペア:

[(1, 10400390), (2, 5200195), (5, 2080078), (7, 1485770), (10, 1040039), (11, 945490), (13, 800030), (14, 742885), (22, 472745), (26, 400015), (35, 297154), (55, 189098), (65, 160006), (70, 148577), (77, 135070), (91, 114290), (110, 94549), (130, 80003), (143, 72730), (154, 67535), (182, 57145), (286, 36365), (385, 27014), (455, 22858), (715, 14546), (770, 13507), (910, 11429), (1001, 10390), (1039, 10010), (1430, 7273), (2002, 5195), (2078, 5005)]