140639840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2016

約数の個数: 96

約数和(自身を含む): 371498400

約数和(自身を除く): 230858560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 820, 880, 902, 1312, 1640, 1760, 1804, 1949, 2255, 3280, 3608, 3898, 4510, 6560, 7216, 7796, 9020, 9745, 14432, 15592, 18040, 19490, 21439, 31184, 36080, 38980, 42878, 62368, 72160, 77960, 79909, 85756, 107195, 155920, 159818, 171512, 214390, 311840, 319636, 343024, 399545, 428780, 639272, 686048, 799090, 857560, 878999, 1278544, 1598180, 1715120, 1757998, 2557088, 3196360, 3430240, 3515996, 4394995, 6392720, 7031992, 8789990, 12785440, 14063984, 17579980, 28127968, 35159960, 70319920, 140639840]

約数ペア:

[(1, 140639840), (2, 70319920), (4, 35159960), (5, 28127968), (8, 17579980), (10, 14063984), (11, 12785440), (16, 8789990), (20, 7031992), (22, 6392720), (32, 4394995), (40, 3515996), (41, 3430240), (44, 3196360), (55, 2557088), (80, 1757998), (82, 1715120), (88, 1598180), (110, 1278544), (160, 878999), (164, 857560), (176, 799090), (205, 686048), (220, 639272), (328, 428780), (352, 399545), (410, 343024), (440, 319636), (451, 311840), (656, 214390), (820, 171512), (880, 159818), (902, 155920), (1312, 107195), (1640, 85756), (1760, 79909), (1804, 77960), (1949, 72160), (2255, 62368), (3280, 42878), (3608, 38980), (3898, 36080), (4510, 31184), (6560, 21439), (7216, 19490), (7796, 18040), (9020, 15592), (9745, 14432)]