390819520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13458

約数の個数: 112

約数和(自身を含む): 1145487168

約数和(自身を除く): 754667648

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 13421, 14560, 26842, 29120, 53684, 67105, 93947, 107368, 134210, 174473, 187894, 214736, 268420, 348946, 375788, 429472, 469735, 536840, 697892, 751576, 858944, 872365, 939470, 1073680, 1221311, 1395784, 1503152, 1744730, 1878940, 2147360, 2442622, 2791568, 3006304, 3489460, 3757880, 4294720, 4885244, 5583136, 6012608, 6106555, 6978920, 7515760, 9770488, 11166272, 12213110, 13957840, 15031520, 19540976, 24426220, 27915680, 30063040, 39081952, 48852440, 55831360, 78163904, 97704880, 195409760, 390819520]

約数ペア:

[(1, 390819520), (2, 195409760), (4, 97704880), (5, 78163904), (7, 55831360), (8, 48852440), (10, 39081952), (13, 30063040), (14, 27915680), (16, 24426220), (20, 19540976), (26, 15031520), (28, 13957840), (32, 12213110), (35, 11166272), (40, 9770488), (52, 7515760), (56, 6978920), (64, 6106555), (65, 6012608), (70, 5583136), (80, 4885244), (91, 4294720), (104, 3757880), (112, 3489460), (130, 3006304), (140, 2791568), (160, 2442622), (182, 2147360), (208, 1878940), (224, 1744730), (260, 1503152), (280, 1395784), (320, 1221311), (364, 1073680), (416, 939470), (448, 872365), (455, 858944), (520, 751576), (560, 697892), (728, 536840), (832, 469735), (910, 429472), (1040, 375788), (1120, 348946), (1456, 268420), (1820, 214736), (2080, 187894), (2240, 174473), (2912, 134210), (3640, 107368), (4160, 93947), (5824, 67105), (7280, 53684), (13421, 29120), (14560, 26842)]