166770125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 237219840

約数和(自身を除く): 70449715

約数列:

[1, 5, 19, 23, 25, 43, 71, 95, 115, 125, 215, 355, 437, 475, 575, 817, 989, 1075, 1349, 1633, 1775, 2185, 2375, 2875, 3053, 4085, 4945, 5375, 6745, 8165, 8875, 10925, 15265, 18791, 20425, 24725, 31027, 33725, 40825, 54625, 58007, 70219, 76325, 93955, 102125, 123625, 155135, 168625, 204125, 290035, 351095, 381625, 469775, 775675, 1334161, 1450175, 1755475, 2348875, 3878375, 6670805, 7250875, 8777375, 33354025, 166770125]

約数ペア:

[(1, 166770125), (5, 33354025), (19, 8777375), (23, 7250875), (25, 6670805), (43, 3878375), (71, 2348875), (95, 1755475), (115, 1450175), (125, 1334161), (215, 775675), (355, 469775), (437, 381625), (475, 351095), (575, 290035), (817, 204125), (989, 168625), (1075, 155135), (1349, 123625), (1633, 102125), (1775, 93955), (2185, 76325), (2375, 70219), (2875, 58007), (3053, 54625), (4085, 40825), (4945, 33725), (5375, 31027), (6745, 24725), (8165, 20425), (8875, 18791), (10925, 15265)]