31402070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 37717930

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 310, 406, 434, 499, 899, 998, 1015, 1085, 1798, 2030, 2170, 2495, 3493, 4495, 4990, 6293, 6986, 8990, 12586, 14471, 15469, 17465, 28942, 30938, 31465, 34930, 62930, 72355, 77345, 101297, 108283, 144710, 154690, 202594, 216566, 448601, 506485, 541415, 897202, 1012970, 1082830, 2243005, 3140207, 4486010, 6280414, 15701035, 31402070]

約数ペア:

[(1, 31402070), (2, 15701035), (5, 6280414), (7, 4486010), (10, 3140207), (14, 2243005), (29, 1082830), (31, 1012970), (35, 897202), (58, 541415), (62, 506485), (70, 448601), (145, 216566), (155, 202594), (203, 154690), (217, 144710), (290, 108283), (310, 101297), (406, 77345), (434, 72355), (499, 62930), (899, 34930), (998, 31465), (1015, 30938), (1085, 28942), (1798, 17465), (2030, 15469), (2170, 14471), (2495, 12586), (3493, 8990), (4495, 6986), (4990, 6293)]