2785180.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 144435312

約数和(自身を除く): 82273732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 347, 530, 676, 689, 694, 845, 1060, 1378, 1388, 1690, 1735, 2756, 3380, 3445, 3470, 4511, 6890, 6940, 8957, 9022, 13780, 17914, 18044, 18391, 22555, 35828, 36782, 44785, 45110, 58643, 73564, 89570, 90220, 91955, 117286, 179140, 183910, 234572, 239083, 293215, 367820, 478166, 586430, 956332, 1172860, 1195415, 2390830, 3108079, 4781660, 6216158, 12432316, 15540395, 31080790, 62161580]

約数ペア:

[(1, 62161580), (2, 31080790), (4, 15540395), (5, 12432316), (10, 6216158), (13, 4781660), (20, 3108079), (26, 2390830), (52, 1195415), (53, 1172860), (65, 956332), (106, 586430), (130, 478166), (169, 367820), (212, 293215), (260, 239083), (265, 234572), (338, 183910), (347, 179140), (530, 117286), (676, 91955), (689, 90220), (694, 89570), (845, 73564), (1060, 58643), (1378, 45110), (1388, 44785), (1690, 36782), (1735, 35828), (2756, 22555), (3380, 18391), (3445, 18044), (3470, 17914), (4511, 13780), (6890, 9022), (6940, 8957)]