885430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 2010960

約数和(自身を除く): 1125530

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 139, 182, 245, 278, 455, 490, 637, 695, 910, 973, 1274, 1390, 1807, 1946, 3185, 3614, 4865, 6370, 6811, 9035, 9730, 12649, 13622, 18070, 25298, 34055, 63245, 68110, 88543, 126490, 177086, 442715, 885430]

約数ペア:

[(1, 885430), (2, 442715), (5, 177086), (7, 126490), (10, 88543), (13, 68110), (14, 63245), (26, 34055), (35, 25298), (49, 18070), (65, 13622), (70, 12649), (91, 9730), (98, 9035), (130, 6811), (139, 6370), (182, 4865), (245, 3614), (278, 3185), (455, 1946), (490, 1807), (637, 1390), (695, 1274), (910, 973)]