471236920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 1356392520

約数和(自身を除く): 885155600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 605, 616, 770, 847, 968, 980, 1078, 1210, 1540, 1694, 1960, 1987, 2156, 2420, 2695, 3080, 3388, 3974, 4235, 4312, 4840, 5390, 5929, 6776, 7948, 8470, 9935, 10780, 11858, 13909, 15896, 16940, 19870, 21560, 21857, 23716, 27818, 29645, 33880, 39740, 43714, 47432, 55636, 59290, 69545, 79480, 87428, 97363, 109285, 111272, 118580, 139090, 152999, 174856, 194726, 218570, 237160, 240427, 278180, 305998, 389452, 437140, 480854, 486815, 556360, 611996, 764995, 778904, 874280, 961708, 973630, 1070993, 1202135, 1223992, 1529990, 1682989, 1923416, 1947260, 2141986, 2404270, 3059980, 3365978, 3894520, 4283972, 4808540, 5354965, 6119960, 6731956, 8414945, 8567944, 9617080, 10709930, 11780923, 13463912, 16829890, 21419860, 23561846, 33659780, 42839720, 47123692, 58904615, 67319560, 94247384, 117809230, 235618460, 471236920]

約数ペア:

[(1, 471236920), (2, 235618460), (4, 117809230), (5, 94247384), (7, 67319560), (8, 58904615), (10, 47123692), (11, 42839720), (14, 33659780), (20, 23561846), (22, 21419860), (28, 16829890), (35, 13463912), (40, 11780923), (44, 10709930), (49, 9617080), (55, 8567944), (56, 8414945), (70, 6731956), (77, 6119960), (88, 5354965), (98, 4808540), (110, 4283972), (121, 3894520), (140, 3365978), (154, 3059980), (196, 2404270), (220, 2141986), (242, 1947260), (245, 1923416), (280, 1682989), (308, 1529990), (385, 1223992), (392, 1202135), (440, 1070993), (484, 973630), (490, 961708), (539, 874280), (605, 778904), (616, 764995), (770, 611996), (847, 556360), (968, 486815), (980, 480854), (1078, 437140), (1210, 389452), (1540, 305998), (1694, 278180), (1960, 240427), (1987, 237160), (2156, 218570), (2420, 194726), (2695, 174856), (3080, 152999), (3388, 139090), (3974, 118580), (4235, 111272), (4312, 109285), (4840, 97363), (5390, 87428), (5929, 79480), (6776, 69545), (7948, 59290), (8470, 55636), (9935, 47432), (10780, 43714), (11858, 39740), (13909, 33880), (15896, 29645), (16940, 27818), (19870, 23716), (21560, 21857)]