206596390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20677

約数の個数: 64

約数和(自身を含む): 499322880

約数和(自身を除く): 292726490

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 20639, 41278, 103195, 144473, 206390, 227029, 268307, 288946, 454058, 536614, 722365, 1135145, 1341535, 1444730, 1589203, 1878149, 2270290, 2683070, 2951377, 3178406, 3756298, 5902754, 7946015, 9390745, 14756885, 15892030, 18781490, 20659639, 29513770, 41319278, 103298195, 206596390]

約数ペア:

[(1, 206596390), (2, 103298195), (5, 41319278), (7, 29513770), (10, 20659639), (11, 18781490), (13, 15892030), (14, 14756885), (22, 9390745), (26, 7946015), (35, 5902754), (55, 3756298), (65, 3178406), (70, 2951377), (77, 2683070), (91, 2270290), (110, 1878149), (130, 1589203), (143, 1444730), (154, 1341535), (182, 1135145), (286, 722365), (385, 536614), (455, 454058), (715, 288946), (770, 268307), (910, 227029), (1001, 206390), (1430, 144473), (2002, 103195), (5005, 41278), (10010, 20639)]