208021450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 481219200

約数和(自身を除く): 273197750

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 131, 175, 182, 262, 325, 349, 350, 455, 650, 655, 698, 910, 917, 1310, 1703, 1745, 1834, 2275, 2443, 3275, 3406, 3490, 4537, 4550, 4585, 4886, 6550, 8515, 8725, 9074, 9170, 11921, 12215, 17030, 17450, 22685, 22925, 23842, 24430, 31759, 42575, 45370, 45719, 45850, 59605, 61075, 63518, 85150, 91438, 113425, 119210, 122150, 158795, 226850, 228595, 298025, 317590, 320033, 457190, 594347, 596050, 640066, 793975, 1142975, 1188694, 1587950, 1600165, 2285950, 2971735, 3200330, 4160429, 5943470, 8000825, 8320858, 14858675, 16001650, 20802145, 29717350, 41604290, 104010725, 208021450]

約数ペア:

[(1, 208021450), (2, 104010725), (5, 41604290), (7, 29717350), (10, 20802145), (13, 16001650), (14, 14858675), (25, 8320858), (26, 8000825), (35, 5943470), (50, 4160429), (65, 3200330), (70, 2971735), (91, 2285950), (130, 1600165), (131, 1587950), (175, 1188694), (182, 1142975), (262, 793975), (325, 640066), (349, 596050), (350, 594347), (455, 457190), (650, 320033), (655, 317590), (698, 298025), (910, 228595), (917, 226850), (1310, 158795), (1703, 122150), (1745, 119210), (1834, 113425), (2275, 91438), (2443, 85150), (3275, 63518), (3406, 61075), (3490, 59605), (4537, 45850), (4550, 45719), (4585, 45370), (4886, 42575), (6550, 31759), (8515, 24430), (8725, 23842), (9074, 22925), (9170, 22685), (11921, 17450), (12215, 17030)]