2949340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 6580224

約数和(自身を除く): 3630884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 71, 124, 134, 142, 155, 268, 284, 310, 335, 355, 620, 670, 710, 1340, 1420, 2077, 2201, 4154, 4402, 4757, 8308, 8804, 9514, 10385, 11005, 19028, 20770, 22010, 23785, 41540, 44020, 47570, 95140, 147467, 294934, 589868, 737335, 1474670, 2949340]

約数ペア:

[(1, 2949340), (2, 1474670), (4, 737335), (5, 589868), (10, 294934), (20, 147467), (31, 95140), (62, 47570), (67, 44020), (71, 41540), (124, 23785), (134, 22010), (142, 20770), (155, 19028), (268, 11005), (284, 10385), (310, 9514), (335, 8804), (355, 8308), (620, 4757), (670, 4402), (710, 4154), (1340, 2201), (1420, 2077)]