209303440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{90217}}^1$

素因数の和:90259

約数の個数: 40

約数和(自身を含む): 503416440

約数和(自身を除く): 294113000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 90217, 180434, 360868, 451085, 721736, 902170, 1443472, 1804340, 2616293, 3608680, 5232586, 7217360, 10465172, 13081465, 20930344, 26162930, 41860688, 52325860, 104651720, 209303440]

約数ペア:

[(1, 209303440), (2, 104651720), (4, 52325860), (5, 41860688), (8, 26162930), (10, 20930344), (16, 13081465), (20, 10465172), (29, 7217360), (40, 5232586), (58, 3608680), (80, 2616293), (116, 1804340), (145, 1443472), (232, 902170), (290, 721736), (464, 451085), (580, 360868), (1160, 180434), (2320, 90217)]