213334240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27211}}^1$

素因数の和:27240

約数の個数: 72

約数和(自身を含む): 586309752

約数和(自身を除く): 372975512

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, 27211, 54422, 108844, 136055, 190477, 217688, 272110, 380954, 435376, 544220, 761908, 870752, 952385, 1088440, 1333339, 1523816, 1904770, 2176880, 2666678, 3047632, 3809540, 4353760, 5333356, 6095264, 6666695, 7619080, 10666712, 13333390, 15238160, 21333424, 26666780, 30476320, 42666848, 53333560, 106667120, 213334240]

約数ペア:

[(1, 213334240), (2, 106667120), (4, 53333560), (5, 42666848), (7, 30476320), (8, 26666780), (10, 21333424), (14, 15238160), (16, 13333390), (20, 10666712), (28, 7619080), (32, 6666695), (35, 6095264), (40, 5333356), (49, 4353760), (56, 3809540), (70, 3047632), (80, 2666678), (98, 2176880), (112, 1904770), (140, 1523816), (160, 1333339), (196, 1088440), (224, 952385), (245, 870752), (280, 761908), (392, 544220), (490, 435376), (560, 380954), (784, 272110), (980, 217688), (1120, 190477), (1568, 136055), (1960, 108844), (3920, 54422), (7840, 27211)]