254003820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2137}}^1$

素因数の和:2439

約数の個数: 96

約数和(自身を含む): 816066048

約数和(自身を除く): 562062228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 283, 420, 566, 849, 1132, 1415, 1698, 1981, 2137, 2830, 3396, 3962, 4245, 4274, 5660, 5943, 6411, 7924, 8490, 8548, 9905, 10685, 11886, 12822, 14959, 16980, 19810, 21370, 23772, 25644, 29715, 29918, 32055, 39620, 42740, 44877, 59430, 59836, 64110, 74795, 89754, 118860, 128220, 149590, 179508, 224385, 299180, 448770, 604771, 897540, 1209542, 1814313, 2419084, 3023855, 3628626, 4233397, 6047710, 7257252, 8466794, 9071565, 12095420, 12700191, 16933588, 18143130, 21166985, 25400382, 36286260, 42333970, 50800764, 63500955, 84667940, 127001910, 254003820]

約数ペア:

[(1, 254003820), (2, 127001910), (3, 84667940), (4, 63500955), (5, 50800764), (6, 42333970), (7, 36286260), (10, 25400382), (12, 21166985), (14, 18143130), (15, 16933588), (20, 12700191), (21, 12095420), (28, 9071565), (30, 8466794), (35, 7257252), (42, 6047710), (60, 4233397), (70, 3628626), (84, 3023855), (105, 2419084), (140, 1814313), (210, 1209542), (283, 897540), (420, 604771), (566, 448770), (849, 299180), (1132, 224385), (1415, 179508), (1698, 149590), (1981, 128220), (2137, 118860), (2830, 89754), (3396, 74795), (3962, 64110), (4245, 59836), (4274, 59430), (5660, 44877), (5943, 42740), (6411, 39620), (7924, 32055), (8490, 29918), (8548, 29715), (9905, 25644), (10685, 23772), (11886, 21370), (12822, 19810), (14959, 16980)]