28798980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 92897280

約数和(自身を除く): 64098300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 359, 382, 420, 573, 718, 764, 955, 1077, 1146, 1337, 1436, 1795, 1910, 2154, 2292, 2513, 2674, 2865, 3590, 3820, 4011, 4308, 5026, 5348, 5385, 5730, 6685, 7180, 7539, 8022, 10052, 10770, 11460, 12565, 13370, 15078, 16044, 20055, 21540, 25130, 26740, 30156, 37695, 40110, 50260, 68569, 75390, 80220, 137138, 150780, 205707, 274276, 342845, 411414, 479983, 685690, 822828, 959966, 1028535, 1371380, 1439949, 1919932, 2057070, 2399915, 2879898, 4114140, 4799830, 5759796, 7199745, 9599660, 14399490, 28798980]

約数ペア:

[(1, 28798980), (2, 14399490), (3, 9599660), (4, 7199745), (5, 5759796), (6, 4799830), (7, 4114140), (10, 2879898), (12, 2399915), (14, 2057070), (15, 1919932), (20, 1439949), (21, 1371380), (28, 1028535), (30, 959966), (35, 822828), (42, 685690), (60, 479983), (70, 411414), (84, 342845), (105, 274276), (140, 205707), (191, 150780), (210, 137138), (359, 80220), (382, 75390), (420, 68569), (573, 50260), (718, 40110), (764, 37695), (955, 30156), (1077, 26740), (1146, 25130), (1337, 21540), (1436, 20055), (1795, 16044), (1910, 15078), (2154, 13370), (2292, 12565), (2513, 11460), (2674, 10770), (2865, 10052), (3590, 8022), (3820, 7539), (4011, 7180), (4308, 6685), (5026, 5730), (5348, 5385)]