289552120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 772208640

約数和(自身を除く): 482656520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 223, 227, 260, 286, 440, 446, 454, 520, 572, 715, 892, 908, 1115, 1135, 1144, 1430, 1784, 1816, 2230, 2270, 2453, 2497, 2860, 2899, 2951, 4460, 4540, 4906, 4994, 5720, 5798, 5902, 8920, 9080, 9812, 9988, 11596, 11804, 12265, 12485, 14495, 14755, 19624, 19976, 23192, 23608, 24530, 24970, 28990, 29510, 31889, 32461, 49060, 49940, 50621, 57980, 59020, 63778, 64922, 98120, 99880, 101242, 115960, 118040, 127556, 129844, 159445, 162305, 202484, 253105, 255112, 259688, 318890, 324610, 404968, 506210, 556831, 637780, 649220, 658073, 1012420, 1113662, 1275560, 1298440, 1316146, 2024840, 2227324, 2632292, 2784155, 3290365, 4454648, 5264584, 5568310, 6580730, 7238803, 11136620, 13161460, 14477606, 22273240, 26322920, 28955212, 36194015, 57910424, 72388030, 144776060, 289552120]

約数ペア:

[(1, 289552120), (2, 144776060), (4, 72388030), (5, 57910424), (8, 36194015), (10, 28955212), (11, 26322920), (13, 22273240), (20, 14477606), (22, 13161460), (26, 11136620), (40, 7238803), (44, 6580730), (52, 5568310), (55, 5264584), (65, 4454648), (88, 3290365), (104, 2784155), (110, 2632292), (130, 2227324), (143, 2024840), (220, 1316146), (223, 1298440), (227, 1275560), (260, 1113662), (286, 1012420), (440, 658073), (446, 649220), (454, 637780), (520, 556831), (572, 506210), (715, 404968), (892, 324610), (908, 318890), (1115, 259688), (1135, 255112), (1144, 253105), (1430, 202484), (1784, 162305), (1816, 159445), (2230, 129844), (2270, 127556), (2453, 118040), (2497, 115960), (2860, 101242), (2899, 99880), (2951, 98120), (4460, 64922), (4540, 63778), (4906, 59020), (4994, 57980), (5720, 50621), (5798, 49940), (5902, 49060), (8920, 32461), (9080, 31889), (9812, 29510), (9988, 28990), (11596, 24970), (11804, 24530), (12265, 23608), (12485, 23192), (14495, 19976), (14755, 19624)]