390490996

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{25219}}^1$

素因数の和:25316

約数の個数: 36

約数和(自身を含む): 805022400

約数和(自身を除く): 414531404

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 15484, 25219, 50438, 100876, 176533, 353066, 706132, 1235731, 1992301, 2471462, 3984602, 4942924, 7969204, 13946107, 27892214, 55784428, 97622749, 195245498, 390490996]

約数ペア:

[(1, 390490996), (2, 195245498), (4, 97622749), (7, 55784428), (14, 27892214), (28, 13946107), (49, 7969204), (79, 4942924), (98, 3984602), (158, 2471462), (196, 1992301), (316, 1235731), (553, 706132), (1106, 353066), (2212, 176533), (3871, 100876), (7742, 50438), (15484, 25219)]