491840370

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{601}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 1504903680

約数和(自身を除く): 1013063310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 433, 601, 630, 866, 945, 1202, 1299, 1803, 1890, 2165, 2598, 3005, 3031, 3606, 3897, 4207, 4330, 5409, 6010, 6062, 6495, 7794, 8414, 9015, 9093, 10818, 11691, 12621, 12990, 15155, 16227, 18030, 18186, 19485, 21035, 23382, 25242, 27045, 27279, 30310, 32454, 37863, 38970, 42070, 45465, 54090, 54558, 58455, 63105, 75726, 81135, 81837, 90930, 113589, 116910, 126210, 136395, 162270, 163674, 189315, 227178, 260233, 272790, 378630, 409185, 520466, 567945, 780699, 818370, 1135890, 1301165, 1561398, 1821631, 2342097, 2602330, 3643262, 3903495, 4684194, 5464893, 7026291, 7806990, 9108155, 10929786, 11710485, 14052582, 16394679, 18216310, 23420970, 27324465, 32789358, 35131455, 49184037, 54648930, 70262910, 81973395, 98368074, 163946790, 245920185, 491840370]

約数ペア:

[(1, 491840370), (2, 245920185), (3, 163946790), (5, 98368074), (6, 81973395), (7, 70262910), (9, 54648930), (10, 49184037), (14, 35131455), (15, 32789358), (18, 27324465), (21, 23420970), (27, 18216310), (30, 16394679), (35, 14052582), (42, 11710485), (45, 10929786), (54, 9108155), (63, 7806990), (70, 7026291), (90, 5464893), (105, 4684194), (126, 3903495), (135, 3643262), (189, 2602330), (210, 2342097), (270, 1821631), (315, 1561398), (378, 1301165), (433, 1135890), (601, 818370), (630, 780699), (866, 567945), (945, 520466), (1202, 409185), (1299, 378630), (1803, 272790), (1890, 260233), (2165, 227178), (2598, 189315), (3005, 163674), (3031, 162270), (3606, 136395), (3897, 126210), (4207, 116910), (4330, 113589), (5409, 90930), (6010, 81837), (6062, 81135), (6495, 75726), (7794, 63105), (8414, 58455), (9015, 54558), (9093, 54090), (10818, 45465), (11691, 42070), (12621, 38970), (12990, 37863), (15155, 32454), (16227, 30310), (18030, 27279), (18186, 27045), (19485, 25242), (21035, 23382)]