100817380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 216316800

約数和(自身を除く): 115499420

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 199, 292, 347, 365, 398, 694, 730, 796, 995, 1388, 1460, 1735, 1990, 3470, 3980, 6940, 14527, 25331, 29054, 50662, 58108, 69053, 72635, 101324, 126655, 138106, 145270, 253310, 276212, 290540, 345265, 506620, 690530, 1381060, 5040869, 10081738, 20163476, 25204345, 50408690, 100817380]

約数ペア:

[(1, 100817380), (2, 50408690), (4, 25204345), (5, 20163476), (10, 10081738), (20, 5040869), (73, 1381060), (146, 690530), (199, 506620), (292, 345265), (347, 290540), (365, 276212), (398, 253310), (694, 145270), (730, 138106), (796, 126655), (995, 101324), (1388, 72635), (1460, 69053), (1735, 58108), (1990, 50662), (3470, 29054), (3980, 25331), (6940, 14527)]