394905680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29209}}^1$

素因数の和:29248

約数の個数: 60

約数和(自身を含む): 994249980

約数和(自身を除く): 599344300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 29209, 58418, 116836, 146045, 233672, 292090, 379717, 467344, 584180, 759434, 1168360, 1518868, 1898585, 2336720, 3037736, 3797170, 4936321, 6075472, 7594340, 9872642, 15188680, 19745284, 24681605, 30377360, 39490568, 49363210, 78981136, 98726420, 197452840, 394905680]

約数ペア:

[(1, 394905680), (2, 197452840), (4, 98726420), (5, 78981136), (8, 49363210), (10, 39490568), (13, 30377360), (16, 24681605), (20, 19745284), (26, 15188680), (40, 9872642), (52, 7594340), (65, 6075472), (80, 4936321), (104, 3797170), (130, 3037736), (169, 2336720), (208, 1898585), (260, 1518868), (338, 1168360), (520, 759434), (676, 584180), (845, 467344), (1040, 379717), (1352, 292090), (1690, 233672), (2704, 146045), (3380, 116836), (6760, 58418), (13520, 29209)]