505366940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{102301}}^1$

素因数の和:102342

約数の個数: 48

約数和(自身を含む): 1203071520

約数和(自身を除く): 697704580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 102301, 204602, 409204, 511505, 1023010, 1329913, 1943719, 2046020, 2659826, 3887438, 5319652, 6649565, 7774876, 9718595, 13299130, 19437190, 25268347, 26598260, 38874380, 50536694, 101073388, 126341735, 252683470, 505366940]

約数ペア:

[(1, 505366940), (2, 252683470), (4, 126341735), (5, 101073388), (10, 50536694), (13, 38874380), (19, 26598260), (20, 25268347), (26, 19437190), (38, 13299130), (52, 9718595), (65, 7774876), (76, 6649565), (95, 5319652), (130, 3887438), (190, 2659826), (247, 2046020), (260, 1943719), (380, 1329913), (494, 1023010), (988, 511505), (1235, 409204), (2470, 204602), (4940, 102301)]