1648293890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{463}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 3213181440

約数和(自身を除く): 1564887550

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 457, 463, 779, 914, 926, 1558, 2285, 2315, 3895, 4570, 4630, 7790, 8683, 8797, 17366, 17594, 18737, 18983, 37474, 37966, 43415, 43985, 86830, 87970, 93685, 94915, 187370, 189830, 211591, 356003, 360677, 423182, 712006, 721354, 1057955, 1780015, 1803385, 2115910, 3560030, 3606770, 4020229, 8040458, 8675231, 17350462, 20101145, 40202290, 43376155, 86752310, 164829389, 329658778, 824146945, 1648293890]

約数ペア:

[(1, 1648293890), (2, 824146945), (5, 329658778), (10, 164829389), (19, 86752310), (38, 43376155), (41, 40202290), (82, 20101145), (95, 17350462), (190, 8675231), (205, 8040458), (410, 4020229), (457, 3606770), (463, 3560030), (779, 2115910), (914, 1803385), (926, 1780015), (1558, 1057955), (2285, 721354), (2315, 712006), (3895, 423182), (4570, 360677), (4630, 356003), (7790, 211591), (8683, 189830), (8797, 187370), (17366, 94915), (17594, 93685), (18737, 87970), (18983, 86830), (37474, 43985), (37966, 43415)]