2011963210

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 3780255744

約数和(自身を除く): 1768292534

約数列:

[1, 2, 5, 10, 53, 71, 106, 127, 142, 254, 265, 355, 421, 530, 635, 710, 842, 1270, 2105, 3763, 4210, 6731, 7526, 9017, 13462, 18034, 18815, 22313, 29891, 33655, 37630, 44626, 45085, 53467, 59782, 67310, 90170, 106934, 111565, 149455, 223130, 267335, 298910, 477901, 534670, 955802, 1584223, 2389505, 2833751, 3168446, 3796157, 4779010, 5667502, 7592314, 7921115, 14168755, 15842230, 18980785, 28337510, 37961570, 201196321, 402392642, 1005981605, 2011963210]

約数ペア:

[(1, 2011963210), (2, 1005981605), (5, 402392642), (10, 201196321), (53, 37961570), (71, 28337510), (106, 18980785), (127, 15842230), (142, 14168755), (254, 7921115), (265, 7592314), (355, 5667502), (421, 4779010), (530, 3796157), (635, 3168446), (710, 2833751), (842, 2389505), (1270, 1584223), (2105, 955802), (3763, 534670), (4210, 477901), (6731, 298910), (7526, 267335), (9017, 223130), (13462, 149455), (18034, 111565), (18815, 106934), (22313, 90170), (29891, 67310), (33655, 59782), (37630, 53467), (44626, 45085)]