90851540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 130142380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 130, 190, 212, 247, 260, 265, 347, 380, 494, 530, 689, 694, 988, 1007, 1060, 1235, 1378, 1388, 1735, 2014, 2470, 2756, 3445, 3470, 4028, 4511, 4940, 5035, 6593, 6890, 6940, 9022, 10070, 13091, 13186, 13780, 18044, 18391, 20140, 22555, 26182, 26372, 32965, 36782, 45110, 52364, 65455, 65930, 73564, 85709, 90220, 91955, 130910, 131860, 171418, 183910, 239083, 261820, 342836, 349429, 367820, 428545, 478166, 698858, 857090, 956332, 1195415, 1397716, 1714180, 1747145, 2390830, 3494290, 4542577, 4781660, 6988580, 9085154, 18170308, 22712885, 45425770, 90851540]

約数ペア:

[(1, 90851540), (2, 45425770), (4, 22712885), (5, 18170308), (10, 9085154), (13, 6988580), (19, 4781660), (20, 4542577), (26, 3494290), (38, 2390830), (52, 1747145), (53, 1714180), (65, 1397716), (76, 1195415), (95, 956332), (106, 857090), (130, 698858), (190, 478166), (212, 428545), (247, 367820), (260, 349429), (265, 342836), (347, 261820), (380, 239083), (494, 183910), (530, 171418), (689, 131860), (694, 130910), (988, 91955), (1007, 90220), (1060, 85709), (1235, 73564), (1378, 65930), (1388, 65455), (1735, 52364), (2014, 45110), (2470, 36782), (2756, 32965), (3445, 26372), (3470, 26182), (4028, 22555), (4511, 20140), (4940, 18391), (5035, 18044), (6593, 13780), (6890, 13186), (6940, 13091), (9022, 10070)]