255916220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6073}}^1$

素因数の和:6139

約数の個数: 72

約数和(自身を含む): 639810864

約数和(自身を除く): 383894644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 6073, 8428, 10535, 12146, 21070, 24292, 30365, 42140, 42511, 60730, 85022, 121460, 170044, 212555, 261139, 297577, 425110, 522278, 595154, 850220, 1044556, 1190308, 1305695, 1487885, 1827973, 2611390, 2975770, 3655946, 5222780, 5951540, 7311892, 9139865, 12795811, 18279730, 25591622, 36559460, 51183244, 63979055, 127958110, 255916220]

約数ペア:

[(1, 255916220), (2, 127958110), (4, 63979055), (5, 51183244), (7, 36559460), (10, 25591622), (14, 18279730), (20, 12795811), (28, 9139865), (35, 7311892), (43, 5951540), (49, 5222780), (70, 3655946), (86, 2975770), (98, 2611390), (140, 1827973), (172, 1487885), (196, 1305695), (215, 1190308), (245, 1044556), (301, 850220), (430, 595154), (490, 522278), (602, 425110), (860, 297577), (980, 261139), (1204, 212555), (1505, 170044), (2107, 121460), (3010, 85022), (4214, 60730), (6020, 42511), (6073, 42140), (8428, 30365), (10535, 24292), (12146, 21070)]