90214850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 196862400

約数和(自身を除く): 106647550

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 89, 95, 97, 110, 178, 190, 194, 209, 275, 418, 445, 475, 485, 550, 890, 950, 970, 979, 1045, 1067, 1691, 1843, 1958, 2090, 2134, 2225, 2425, 3382, 3686, 4450, 4850, 4895, 5225, 5335, 8455, 8633, 9215, 9790, 10450, 10670, 16910, 17266, 18430, 18601, 20273, 24475, 26675, 37202, 40546, 42275, 43165, 46075, 48950, 53350, 84550, 86330, 92150, 93005, 94963, 101365, 164027, 186010, 189926, 202730, 215825, 328054, 431650, 465025, 474815, 506825, 820135, 930050, 949630, 1013650, 1640270, 1804297, 2374075, 3608594, 4100675, 4748150, 8201350, 9021485, 18042970, 45107425, 90214850]

約数ペア:

[(1, 90214850), (2, 45107425), (5, 18042970), (10, 9021485), (11, 8201350), (19, 4748150), (22, 4100675), (25, 3608594), (38, 2374075), (50, 1804297), (55, 1640270), (89, 1013650), (95, 949630), (97, 930050), (110, 820135), (178, 506825), (190, 474815), (194, 465025), (209, 431650), (275, 328054), (418, 215825), (445, 202730), (475, 189926), (485, 186010), (550, 164027), (890, 101365), (950, 94963), (970, 93005), (979, 92150), (1045, 86330), (1067, 84550), (1691, 53350), (1843, 48950), (1958, 46075), (2090, 43165), (2134, 42275), (2225, 40546), (2425, 37202), (3382, 26675), (3686, 24475), (4450, 20273), (4850, 18601), (4895, 18430), (5225, 17266), (5335, 16910), (8455, 10670), (8633, 10450), (9215, 9790)]