49839440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 134693760

約数和(自身を除く): 84854320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1459, 1708, 2135, 2440, 2918, 3416, 4270, 4880, 5836, 6832, 7295, 8540, 10213, 11672, 14590, 17080, 20426, 23344, 29180, 34160, 40852, 51065, 58360, 81704, 88999, 102130, 116720, 163408, 177998, 204260, 355996, 408520, 444995, 622993, 711992, 817040, 889990, 1245986, 1423984, 1779980, 2491972, 3114965, 3559960, 4983944, 6229930, 7119920, 9967888, 12459860, 24919720, 49839440]

約数ペア:

[(1, 49839440), (2, 24919720), (4, 12459860), (5, 9967888), (7, 7119920), (8, 6229930), (10, 4983944), (14, 3559960), (16, 3114965), (20, 2491972), (28, 1779980), (35, 1423984), (40, 1245986), (56, 889990), (61, 817040), (70, 711992), (80, 622993), (112, 444995), (122, 408520), (140, 355996), (244, 204260), (280, 177998), (305, 163408), (427, 116720), (488, 102130), (560, 88999), (610, 81704), (854, 58360), (976, 51065), (1220, 40852), (1459, 34160), (1708, 29180), (2135, 23344), (2440, 20426), (2918, 17080), (3416, 14590), (4270, 11672), (4880, 10213), (5836, 8540), (6832, 7295)]