1380459990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{505663}}^1$

素因数の和:505693

約数の個数: 64

約数和(自身を含む): 4077674496

約数和(自身を除く): 2697214506

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 505663, 1011326, 1516989, 2528315, 3033978, 3539641, 5056630, 6573619, 7079282, 7584945, 10618923, 13147238, 15169890, 17698205, 19720857, 21237846, 32868095, 35396410, 39441714, 46015333, 53094615, 65736190, 92030666, 98604285, 106189230, 138045999, 197208570, 230076665, 276091998, 460153330, 690229995, 1380459990]

約数ペア:

[(1, 1380459990), (2, 690229995), (3, 460153330), (5, 276091998), (6, 230076665), (7, 197208570), (10, 138045999), (13, 106189230), (14, 98604285), (15, 92030666), (21, 65736190), (26, 53094615), (30, 46015333), (35, 39441714), (39, 35396410), (42, 32868095), (65, 21237846), (70, 19720857), (78, 17698205), (91, 15169890), (105, 13147238), (130, 10618923), (182, 7584945), (195, 7079282), (210, 6573619), (273, 5056630), (390, 3539641), (455, 3033978), (546, 2528315), (910, 1516989), (1365, 1011326), (2730, 505663)]