8144119970

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1253

約数の個数: 80

約数和(自身を含む): 17163093888

約数和(自身を除く): 9018973918

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 431, 490, 686, 787, 862, 1574, 1715, 2155, 2401, 3017, 3430, 3935, 4310, 4802, 5509, 6034, 7870, 11018, 12005, 15085, 21119, 24010, 27545, 30170, 38563, 42238, 55090, 77126, 105595, 147833, 192815, 211190, 269941, 295666, 339197, 385630, 539882, 678394, 739165, 1034831, 1349705, 1478330, 1695985, 1889587, 2069662, 2374379, 2699410, 3391970, 3779174, 4748758, 5174155, 9447935, 10348310, 11871895, 16620653, 18895870, 23743790, 33241306, 83103265, 116344571, 166206530, 232689142, 581722855, 814411997, 1163445710, 1628823994, 4072059985, 8144119970]

約数ペア:

[(1, 8144119970), (2, 4072059985), (5, 1628823994), (7, 1163445710), (10, 814411997), (14, 581722855), (35, 232689142), (49, 166206530), (70, 116344571), (98, 83103265), (245, 33241306), (343, 23743790), (431, 18895870), (490, 16620653), (686, 11871895), (787, 10348310), (862, 9447935), (1574, 5174155), (1715, 4748758), (2155, 3779174), (2401, 3391970), (3017, 2699410), (3430, 2374379), (3935, 2069662), (4310, 1889587), (4802, 1695985), (5509, 1478330), (6034, 1349705), (7870, 1034831), (11018, 739165), (12005, 678394), (15085, 539882), (21119, 385630), (24010, 339197), (27545, 295666), (30170, 269941), (38563, 211190), (42238, 192815), (55090, 147833), (77126, 105595)]