84270340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54721}}^1$

素因数の和:54748

約数の個数: 48

約数和(自身を含む): 220639104

約数和(自身を除く): 136368764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 54721, 109442, 218884, 273605, 383047, 547210, 601931, 766094, 1094420, 1203862, 1532188, 1915235, 2407724, 3009655, 3830470, 4213517, 6019310, 7660940, 8427034, 12038620, 16854068, 21067585, 42135170, 84270340]

約数ペア:

[(1, 84270340), (2, 42135170), (4, 21067585), (5, 16854068), (7, 12038620), (10, 8427034), (11, 7660940), (14, 6019310), (20, 4213517), (22, 3830470), (28, 3009655), (35, 2407724), (44, 1915235), (55, 1532188), (70, 1203862), (77, 1094420), (110, 766094), (140, 601931), (154, 547210), (220, 383047), (308, 273605), (385, 218884), (770, 109442), (1540, 54721)]