8402030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10558450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1319, 2638, 3185, 6370, 6595, 9233, 13190, 17147, 18466, 34294, 46165, 64631, 85735, 92330, 120029, 129262, 171470, 240058, 323155, 600145, 646310, 840203, 1200290, 1680406, 4201015, 8402030]

約数ペア:

[(1, 8402030), (2, 4201015), (5, 1680406), (7, 1200290), (10, 840203), (13, 646310), (14, 600145), (26, 323155), (35, 240058), (49, 171470), (65, 129262), (70, 120029), (91, 92330), (98, 85735), (130, 64631), (182, 46165), (245, 34294), (455, 18466), (490, 17147), (637, 13190), (910, 9233), (1274, 6595), (1319, 6370), (2638, 3185)]