22515220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 36755180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 139, 140, 178, 182, 260, 278, 356, 364, 445, 455, 556, 623, 695, 890, 910, 973, 1157, 1246, 1390, 1780, 1807, 1820, 1946, 2314, 2492, 2780, 3115, 3614, 3892, 4628, 4865, 5785, 6230, 7228, 8099, 9035, 9730, 11570, 12371, 12460, 12649, 16198, 18070, 19460, 23140, 24742, 25298, 32396, 36140, 40495, 49484, 50596, 61855, 63245, 80990, 86597, 123710, 126490, 160823, 161980, 173194, 247420, 252980, 321646, 346388, 432985, 643292, 804115, 865970, 1125761, 1608230, 1731940, 2251522, 3216460, 4503044, 5628805, 11257610, 22515220]

約数ペア:

[(1, 22515220), (2, 11257610), (4, 5628805), (5, 4503044), (7, 3216460), (10, 2251522), (13, 1731940), (14, 1608230), (20, 1125761), (26, 865970), (28, 804115), (35, 643292), (52, 432985), (65, 346388), (70, 321646), (89, 252980), (91, 247420), (130, 173194), (139, 161980), (140, 160823), (178, 126490), (182, 123710), (260, 86597), (278, 80990), (356, 63245), (364, 61855), (445, 50596), (455, 49484), (556, 40495), (623, 36140), (695, 32396), (890, 25298), (910, 24742), (973, 23140), (1157, 19460), (1246, 18070), (1390, 16198), (1780, 12649), (1807, 12460), (1820, 12371), (1946, 11570), (2314, 9730), (2492, 9035), (2780, 8099), (3115, 7228), (3614, 6230), (3892, 5785), (4628, 4865)]