78968750

素因数分解:

$2^1\times 5^6\times 7^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 84

約数和(自身を含む): 178591464

約数和(自身を除く): 99622714

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 175, 190, 250, 266, 350, 361, 475, 625, 665, 722, 875, 950, 1250, 1330, 1750, 1805, 2375, 2527, 3125, 3325, 3610, 4375, 4750, 5054, 6250, 6650, 8750, 9025, 11875, 12635, 15625, 16625, 18050, 21875, 23750, 25270, 31250, 33250, 43750, 45125, 59375, 63175, 83125, 90250, 109375, 118750, 126350, 166250, 218750, 225625, 296875, 315875, 415625, 451250, 593750, 631750, 831250, 1128125, 1579375, 2078125, 2256250, 3158750, 4156250, 5640625, 7896875, 11281250, 15793750, 39484375, 78968750]

約数ペア:

[(1, 78968750), (2, 39484375), (5, 15793750), (7, 11281250), (10, 7896875), (14, 5640625), (19, 4156250), (25, 3158750), (35, 2256250), (38, 2078125), (50, 1579375), (70, 1128125), (95, 831250), (125, 631750), (133, 593750), (175, 451250), (190, 415625), (250, 315875), (266, 296875), (350, 225625), (361, 218750), (475, 166250), (625, 126350), (665, 118750), (722, 109375), (875, 90250), (950, 83125), (1250, 63175), (1330, 59375), (1750, 45125), (1805, 43750), (2375, 33250), (2527, 31250), (3125, 25270), (3325, 23750), (3610, 21875), (4375, 18050), (4750, 16625), (5054, 15625), (6250, 12635), (6650, 11875), (8750, 9025)]