305399360

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19477}}^1$

素因数の和:19508

約数の個数: 84

約数和(自身を含む): 846007452

約数和(自身を除く): 540608092

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 19477, 38954, 77908, 97385, 136339, 155816, 194770, 272678, 311632, 389540, 545356, 623264, 681695, 779080, 954373, 1090712, 1246528, 1363390, 1558160, 1908746, 2181424, 2726780, 3116320, 3817492, 4362848, 4771865, 5453560, 6232640, 7634984, 8725696, 9543730, 10907120, 15269968, 19087460, 21814240, 30539936, 38174920, 43628480, 61079872, 76349840, 152699680, 305399360]

約数ペア:

[(1, 305399360), (2, 152699680), (4, 76349840), (5, 61079872), (7, 43628480), (8, 38174920), (10, 30539936), (14, 21814240), (16, 19087460), (20, 15269968), (28, 10907120), (32, 9543730), (35, 8725696), (40, 7634984), (49, 6232640), (56, 5453560), (64, 4771865), (70, 4362848), (80, 3817492), (98, 3116320), (112, 2726780), (140, 2181424), (160, 1908746), (196, 1558160), (224, 1363390), (245, 1246528), (280, 1090712), (320, 954373), (392, 779080), (448, 681695), (490, 623264), (560, 545356), (784, 389540), (980, 311632), (1120, 272678), (1568, 194770), (1960, 155816), (2240, 136339), (3136, 97385), (3920, 77908), (7840, 38954), (15680, 19477)]