2909270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 6773760

約数和(自身を除く): 3864490

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 139, 161, 182, 230, 278, 299, 322, 455, 598, 695, 805, 910, 973, 1390, 1495, 1610, 1807, 1946, 2093, 2990, 3197, 3614, 4186, 4865, 6394, 9035, 9730, 10465, 12649, 15985, 18070, 20930, 22379, 25298, 31970, 41561, 44758, 63245, 83122, 111895, 126490, 207805, 223790, 290927, 415610, 581854, 1454635, 2909270]

約数ペア:

[(1, 2909270), (2, 1454635), (5, 581854), (7, 415610), (10, 290927), (13, 223790), (14, 207805), (23, 126490), (26, 111895), (35, 83122), (46, 63245), (65, 44758), (70, 41561), (91, 31970), (115, 25298), (130, 22379), (139, 20930), (161, 18070), (182, 15985), (230, 12649), (278, 10465), (299, 9730), (322, 9035), (455, 6394), (598, 4865), (695, 4186), (805, 3614), (910, 3197), (973, 2990), (1390, 2093), (1495, 1946), (1610, 1807)]