129407480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4224

約数の個数: 64

約数和(自身を含む): 314042400

約数和(自身を除く): 184634920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 4153, 6232, 7790, 8306, 15580, 16612, 20765, 31160, 33224, 41530, 78907, 83060, 157814, 166120, 170273, 315628, 340546, 394535, 631256, 681092, 789070, 851365, 1362184, 1578140, 1702730, 3156280, 3235187, 3405460, 6470374, 6810920, 12940748, 16175935, 25881496, 32351870, 64703740, 129407480]

約数ペア:

[(1, 129407480), (2, 64703740), (4, 32351870), (5, 25881496), (8, 16175935), (10, 12940748), (19, 6810920), (20, 6470374), (38, 3405460), (40, 3235187), (41, 3156280), (76, 1702730), (82, 1578140), (95, 1362184), (152, 851365), (164, 789070), (190, 681092), (205, 631256), (328, 394535), (380, 340546), (410, 315628), (760, 170273), (779, 166120), (820, 157814), (1558, 83060), (1640, 78907), (3116, 41530), (3895, 33224), (4153, 31160), (6232, 20765), (7790, 16612), (8306, 15580)]