31828940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 49456180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 359, 403, 572, 620, 682, 715, 718, 806, 1364, 1430, 1436, 1612, 1705, 1795, 2015, 2860, 3410, 3590, 3949, 4030, 4433, 4667, 6820, 7180, 7898, 8060, 8866, 9334, 11129, 15796, 17732, 18668, 19745, 22165, 22258, 23335, 39490, 44330, 44516, 46670, 51337, 55645, 78980, 88660, 93340, 102674, 111290, 122419, 144677, 205348, 222580, 244838, 256685, 289354, 489676, 513370, 578708, 612095, 723385, 1026740, 1224190, 1446770, 1591447, 2448380, 2893540, 3182894, 6365788, 7957235, 15914470, 31828940]

約数ペア:

[(1, 31828940), (2, 15914470), (4, 7957235), (5, 6365788), (10, 3182894), (11, 2893540), (13, 2448380), (20, 1591447), (22, 1446770), (26, 1224190), (31, 1026740), (44, 723385), (52, 612095), (55, 578708), (62, 513370), (65, 489676), (110, 289354), (124, 256685), (130, 244838), (143, 222580), (155, 205348), (220, 144677), (260, 122419), (286, 111290), (310, 102674), (341, 93340), (359, 88660), (403, 78980), (572, 55645), (620, 51337), (682, 46670), (715, 44516), (718, 44330), (806, 39490), (1364, 23335), (1430, 22258), (1436, 22165), (1612, 19745), (1705, 18668), (1795, 17732), (2015, 15796), (2860, 11129), (3410, 9334), (3590, 8866), (3949, 8060), (4030, 7898), (4433, 7180), (4667, 6820)]