28419250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 58106880

約数和(自身を除く): 29687630

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 125, 155, 190, 193, 250, 310, 386, 475, 589, 775, 950, 965, 1178, 1550, 1930, 2375, 2945, 3667, 3875, 4750, 4825, 5890, 5983, 7334, 7750, 9650, 11966, 14725, 18335, 24125, 29450, 29915, 36670, 48250, 59830, 73625, 91675, 113677, 147250, 149575, 183350, 227354, 299150, 458375, 568385, 747875, 916750, 1136770, 1495750, 2841925, 5683850, 14209625, 28419250]

約数ペア:

[(1, 28419250), (2, 14209625), (5, 5683850), (10, 2841925), (19, 1495750), (25, 1136770), (31, 916750), (38, 747875), (50, 568385), (62, 458375), (95, 299150), (125, 227354), (155, 183350), (190, 149575), (193, 147250), (250, 113677), (310, 91675), (386, 73625), (475, 59830), (589, 48250), (775, 36670), (950, 29915), (965, 29450), (1178, 24125), (1550, 18335), (1930, 14725), (2375, 11966), (2945, 9650), (3667, 7750), (3875, 7334), (4750, 5983), (4825, 5890)]