779919980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2903}}^1$

素因数の和:3039

約数の個数: 96

約数和(自身を含む): 1990517760

約数和(自身を除く): 1210597780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 101, 133, 140, 190, 202, 266, 380, 404, 505, 532, 665, 707, 1010, 1330, 1414, 1919, 2020, 2660, 2828, 2903, 3535, 3838, 5806, 7070, 7676, 9595, 11612, 13433, 14140, 14515, 19190, 20321, 26866, 29030, 38380, 40642, 53732, 55157, 58060, 67165, 81284, 101605, 110314, 134330, 203210, 220628, 268660, 275785, 293203, 386099, 406420, 551570, 586406, 772198, 1103140, 1172812, 1466015, 1544396, 1930495, 2052421, 2932030, 3860990, 4104842, 5570857, 5864060, 7721980, 8209684, 10262105, 11141714, 20524210, 22283428, 27854285, 38995999, 41048420, 55708570, 77991998, 111417140, 155983996, 194979995, 389959990, 779919980]

約数ペア:

[(1, 779919980), (2, 389959990), (4, 194979995), (5, 155983996), (7, 111417140), (10, 77991998), (14, 55708570), (19, 41048420), (20, 38995999), (28, 27854285), (35, 22283428), (38, 20524210), (70, 11141714), (76, 10262105), (95, 8209684), (101, 7721980), (133, 5864060), (140, 5570857), (190, 4104842), (202, 3860990), (266, 2932030), (380, 2052421), (404, 1930495), (505, 1544396), (532, 1466015), (665, 1172812), (707, 1103140), (1010, 772198), (1330, 586406), (1414, 551570), (1919, 406420), (2020, 386099), (2660, 293203), (2828, 275785), (2903, 268660), (3535, 220628), (3838, 203210), (5806, 134330), (7070, 110314), (7676, 101605), (9595, 81284), (11612, 67165), (13433, 58060), (14140, 55157), (14515, 53732), (19190, 40642), (20321, 38380), (26866, 29030)]