551423390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20147}}^1$

素因数の和:20201

約数の個数: 64

約数和(自身を含む): 1253366784

約数和(自身を除く): 701943394

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1190, 1610, 1955, 2737, 3910, 5474, 13685, 20147, 27370, 40294, 100735, 141029, 201470, 282058, 342499, 463381, 684998, 705145, 926762, 1410290, 1712495, 2316905, 2397493, 3243667, 3424990, 4633810, 4794986, 6487334, 7877477, 11987465, 15754954, 16218335, 23974930, 32436670, 39387385, 55142339, 78774770, 110284678, 275711695, 551423390]

約数ペア:

[(1, 551423390), (2, 275711695), (5, 110284678), (7, 78774770), (10, 55142339), (14, 39387385), (17, 32436670), (23, 23974930), (34, 16218335), (35, 15754954), (46, 11987465), (70, 7877477), (85, 6487334), (115, 4794986), (119, 4633810), (161, 3424990), (170, 3243667), (230, 2397493), (238, 2316905), (322, 1712495), (391, 1410290), (595, 926762), (782, 705145), (805, 684998), (1190, 463381), (1610, 342499), (1955, 282058), (2737, 201470), (3910, 141029), (5474, 100735), (13685, 40294), (20147, 27370)]