913880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 2350080

約数和(自身を除く): 1436200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 67, 88, 110, 124, 134, 155, 220, 248, 268, 310, 335, 341, 440, 536, 620, 670, 682, 737, 1240, 1340, 1364, 1474, 1705, 2077, 2680, 2728, 2948, 3410, 3685, 4154, 5896, 6820, 7370, 8308, 10385, 13640, 14740, 16616, 20770, 22847, 29480, 41540, 45694, 83080, 91388, 114235, 182776, 228470, 456940, 913880]

約数ペア:

[(1, 913880), (2, 456940), (4, 228470), (5, 182776), (8, 114235), (10, 91388), (11, 83080), (20, 45694), (22, 41540), (31, 29480), (40, 22847), (44, 20770), (55, 16616), (62, 14740), (67, 13640), (88, 10385), (110, 8308), (124, 7370), (134, 6820), (155, 5896), (220, 4154), (248, 3685), (268, 3410), (310, 2948), (335, 2728), (341, 2680), (440, 2077), (536, 1705), (620, 1474), (670, 1364), (682, 1340), (737, 1240)]