78340990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 113259650

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 23, 26, 35, 38, 46, 65, 70, 91, 95, 115, 130, 133, 161, 182, 190, 197, 230, 247, 266, 299, 322, 394, 437, 455, 494, 598, 665, 805, 874, 910, 985, 1235, 1330, 1379, 1495, 1610, 1729, 1970, 2093, 2185, 2470, 2561, 2758, 2990, 3059, 3458, 3743, 4186, 4370, 4531, 5122, 5681, 6118, 6895, 7486, 8645, 9062, 10465, 11362, 12805, 13790, 15295, 17290, 17927, 18715, 20930, 22655, 25610, 26201, 28405, 30590, 31717, 35854, 37430, 39767, 45310, 48659, 52402, 56810, 58903, 63434, 79534, 86089, 89635, 97318, 117806, 131005, 158585, 172178, 179270, 198835, 243295, 262010, 294515, 317170, 340613, 397670, 412321, 430445, 486590, 589030, 602623, 681226, 824642, 860890, 1119157, 1205246, 1703065, 2061605, 2238314, 3013115, 3406130, 4123210, 5595785, 6026230, 7834099, 11191570, 15668198, 39170495, 78340990]

約数ペア:

[(1, 78340990), (2, 39170495), (5, 15668198), (7, 11191570), (10, 7834099), (13, 6026230), (14, 5595785), (19, 4123210), (23, 3406130), (26, 3013115), (35, 2238314), (38, 2061605), (46, 1703065), (65, 1205246), (70, 1119157), (91, 860890), (95, 824642), (115, 681226), (130, 602623), (133, 589030), (161, 486590), (182, 430445), (190, 412321), (197, 397670), (230, 340613), (247, 317170), (266, 294515), (299, 262010), (322, 243295), (394, 198835), (437, 179270), (455, 172178), (494, 158585), (598, 131005), (665, 117806), (805, 97318), (874, 89635), (910, 86089), (985, 79534), (1235, 63434), (1330, 58903), (1379, 56810), (1495, 52402), (1610, 48659), (1729, 45310), (1970, 39767), (2093, 37430), (2185, 35854), (2470, 31717), (2561, 30590), (2758, 28405), (2990, 26201), (3059, 25610), (3458, 22655), (3743, 20930), (4186, 18715), (4370, 17927), (4531, 17290), (5122, 15295), (5681, 13790), (6118, 12805), (6895, 11362), (7486, 10465), (8645, 9062)]