879676820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 2130710400

約数和(自身を除く): 1251033580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 389, 418, 541, 778, 836, 1045, 1082, 1556, 1945, 2090, 2164, 2705, 3890, 4180, 4279, 5410, 5951, 7391, 7780, 8558, 10279, 10820, 11902, 14782, 17116, 20558, 21395, 23804, 29564, 29755, 36955, 41116, 42790, 51395, 59510, 73910, 81301, 85580, 102790, 113069, 119020, 147820, 162602, 205580, 210449, 226138, 325204, 406505, 420898, 452276, 565345, 813010, 841796, 1052245, 1130690, 1626020, 2104490, 2261380, 2314939, 3998531, 4208980, 4629878, 7997062, 9259756, 11574695, 15994124, 19992655, 23149390, 39985310, 43983841, 46298780, 79970620, 87967682, 175935364, 219919205, 439838410, 879676820]

約数ペア:

[(1, 879676820), (2, 439838410), (4, 219919205), (5, 175935364), (10, 87967682), (11, 79970620), (19, 46298780), (20, 43983841), (22, 39985310), (38, 23149390), (44, 19992655), (55, 15994124), (76, 11574695), (95, 9259756), (110, 7997062), (190, 4629878), (209, 4208980), (220, 3998531), (380, 2314939), (389, 2261380), (418, 2104490), (541, 1626020), (778, 1130690), (836, 1052245), (1045, 841796), (1082, 813010), (1556, 565345), (1945, 452276), (2090, 420898), (2164, 406505), (2705, 325204), (3890, 226138), (4180, 210449), (4279, 205580), (5410, 162602), (5951, 147820), (7391, 119020), (7780, 113069), (8558, 102790), (10279, 85580), (10820, 81301), (11902, 73910), (14782, 59510), (17116, 51395), (20558, 42790), (21395, 41116), (23804, 36955), (29564, 29755)]