512508640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{65371}}^1$

素因数の和:65400

約数の個数: 72

約数和(自身を含む): 1408505112

約数和(自身を除く): 895996472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 65371, 130742, 261484, 326855, 457597, 522968, 653710, 915194, 1045936, 1307420, 1830388, 2091872, 2287985, 2614840, 3203179, 3660776, 4575970, 5229680, 6406358, 7321552, 9151940, 10459360, 12812716, 14643104, 16015895, 18303880, 25625432, 32031790, 36607760, 51250864, 64063580, 73215520, 102501728, 128127160, 256254320, 512508640]

約数ペア:

[(1, 512508640), (2, 256254320), (4, 128127160), (5, 102501728), (7, 73215520), (8, 64063580), (10, 51250864), (14, 36607760), (16, 32031790), (20, 25625432), (28, 18303880), (32, 16015895), (35, 14643104), (40, 12812716), (49, 10459360), (56, 9151940), (70, 7321552), (80, 6406358), (98, 5229680), (112, 4575970), (140, 3660776), (160, 3203179), (196, 2614840), (224, 2287985), (245, 2091872), (280, 1830388), (392, 1307420), (490, 1045936), (560, 915194), (784, 653710), (980, 522968), (1120, 457597), (1568, 326855), (1960, 261484), (3920, 130742), (7840, 65371)]