2783690

素因数分解:

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

素因数の和:76

約数の個数: 96

約数和(自身を含む): 6894720

約数和(自身を除く): 4111030

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 23, 26, 35, 38, 46, 49, 65, 70, 91, 95, 98, 115, 130, 133, 161, 182, 190, 230, 245, 247, 266, 299, 322, 437, 455, 490, 494, 598, 637, 665, 805, 874, 910, 931, 1127, 1235, 1274, 1330, 1495, 1610, 1729, 1862, 2093, 2185, 2254, 2470, 2990, 3059, 3185, 3458, 4186, 4370, 4655, 5635, 5681, 6118, 6370, 8645, 9310, 10465, 11270, 11362, 12103, 14651, 15295, 17290, 20930, 21413, 24206, 28405, 29302, 30590, 39767, 42826, 56810, 60515, 73255, 79534, 107065, 121030, 146510, 198835, 214130, 278369, 397670, 556738, 1391845, 2783690]

約数ペア:

[(1, 2783690), (2, 1391845), (5, 556738), (7, 397670), (10, 278369), (13, 214130), (14, 198835), (19, 146510), (23, 121030), (26, 107065), (35, 79534), (38, 73255), (46, 60515), (49, 56810), (65, 42826), (70, 39767), (91, 30590), (95, 29302), (98, 28405), (115, 24206), (130, 21413), (133, 20930), (161, 17290), (182, 15295), (190, 14651), (230, 12103), (245, 11362), (247, 11270), (266, 10465), (299, 9310), (322, 8645), (437, 6370), (455, 6118), (490, 5681), (494, 5635), (598, 4655), (637, 4370), (665, 4186), (805, 3458), (874, 3185), (910, 3059), (931, 2990), (1127, 2470), (1235, 2254), (1274, 2185), (1330, 2093), (1495, 1862), (1610, 1729)]