2011225580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157867}}^1$

素因数の和:157903

約数の個数: 72

約数和(自身を含む): 5291103888

約数和(自身を除く): 3279878308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 157867, 315734, 631468, 789335, 1105069, 1578670, 2052271, 2210138, 3157340, 4104542, 4420276, 5525345, 7735483, 8209084, 10261355, 11050690, 14365897, 15470966, 20522710, 22101380, 28731794, 30941932, 38677415, 41045420, 57463588, 71829485, 77354830, 100561279, 143658970, 154709660, 201122558, 287317940, 402245116, 502806395, 1005612790, 2011225580]

約数ペア:

[(1, 2011225580), (2, 1005612790), (4, 502806395), (5, 402245116), (7, 287317940), (10, 201122558), (13, 154709660), (14, 143658970), (20, 100561279), (26, 77354830), (28, 71829485), (35, 57463588), (49, 41045420), (52, 38677415), (65, 30941932), (70, 28731794), (91, 22101380), (98, 20522710), (130, 15470966), (140, 14365897), (182, 11050690), (196, 10261355), (245, 8209084), (260, 7735483), (364, 5525345), (455, 4420276), (490, 4104542), (637, 3157340), (910, 2210138), (980, 2052271), (1274, 1578670), (1820, 1105069), (2548, 789335), (3185, 631468), (6370, 315734), (12740, 157867)]