31367860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 75075840

約数和(自身を除く): 43707980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 37, 38, 46, 74, 76, 92, 95, 97, 115, 148, 185, 190, 194, 230, 370, 380, 388, 437, 460, 485, 703, 740, 851, 874, 970, 1406, 1702, 1748, 1843, 1940, 2185, 2231, 2812, 3404, 3515, 3589, 3686, 4255, 4370, 4462, 7030, 7178, 7372, 8510, 8740, 8924, 9215, 11155, 14060, 14356, 16169, 17020, 17945, 18430, 22310, 32338, 35890, 36860, 42389, 44620, 64676, 68191, 71780, 80845, 82547, 84778, 136382, 161690, 165094, 169556, 211945, 272764, 323380, 330188, 340955, 412735, 423890, 681910, 825470, 847780, 1363820, 1568393, 1650940, 3136786, 6273572, 7841965, 15683930, 31367860]

約数ペア:

[(1, 31367860), (2, 15683930), (4, 7841965), (5, 6273572), (10, 3136786), (19, 1650940), (20, 1568393), (23, 1363820), (37, 847780), (38, 825470), (46, 681910), (74, 423890), (76, 412735), (92, 340955), (95, 330188), (97, 323380), (115, 272764), (148, 211945), (185, 169556), (190, 165094), (194, 161690), (230, 136382), (370, 84778), (380, 82547), (388, 80845), (437, 71780), (460, 68191), (485, 64676), (703, 44620), (740, 42389), (851, 36860), (874, 35890), (970, 32338), (1406, 22310), (1702, 18430), (1748, 17945), (1843, 17020), (1940, 16169), (2185, 14356), (2231, 14060), (2812, 11155), (3404, 9215), (3515, 8924), (3589, 8740), (3686, 8510), (4255, 7372), (4370, 7178), (4462, 7030)]