788472940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{19507}}^1$

素因数の和:19606

約数の個数: 48

約数和(自身を含む): 1730437632

約数和(自身を除く): 941964692

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 19507, 20210, 39014, 40420, 78028, 97535, 195070, 390140, 838801, 916829, 1677602, 1833658, 3355204, 3667316, 4194005, 4584145, 8388010, 9168290, 16776020, 18336580, 39423647, 78847294, 157694588, 197118235, 394236470, 788472940]

約数ペア:

[(1, 788472940), (2, 394236470), (4, 197118235), (5, 157694588), (10, 78847294), (20, 39423647), (43, 18336580), (47, 16776020), (86, 9168290), (94, 8388010), (172, 4584145), (188, 4194005), (215, 3667316), (235, 3355204), (430, 1833658), (470, 1677602), (860, 916829), (940, 838801), (2021, 390140), (4042, 195070), (8084, 97535), (10105, 78028), (19507, 40420), (20210, 39014)]