71978850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:229

約数の個数: 108

約数和(自身を含む): 206891334

約数和(自身を除く): 134912484

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 97, 102, 150, 153, 170, 194, 225, 255, 291, 306, 425, 450, 485, 510, 582, 765, 850, 873, 970, 1275, 1455, 1530, 1649, 1746, 2425, 2550, 2910, 3298, 3825, 4365, 4850, 4947, 7275, 7650, 8245, 8730, 9409, 9894, 14550, 14841, 16490, 18818, 21825, 24735, 28227, 29682, 41225, 43650, 47045, 49470, 56454, 74205, 82450, 84681, 94090, 123675, 141135, 148410, 159953, 169362, 235225, 247350, 282270, 319906, 371025, 423405, 470450, 479859, 705675, 742050, 799765, 846810, 959718, 1411350, 1439577, 1599530, 2117025, 2399295, 2879154, 3998825, 4234050, 4798590, 7197885, 7997650, 11996475, 14395770, 23992950, 35989425, 71978850]

約数ペア:

[(1, 71978850), (2, 35989425), (3, 23992950), (5, 14395770), (6, 11996475), (9, 7997650), (10, 7197885), (15, 4798590), (17, 4234050), (18, 3998825), (25, 2879154), (30, 2399295), (34, 2117025), (45, 1599530), (50, 1439577), (51, 1411350), (75, 959718), (85, 846810), (90, 799765), (97, 742050), (102, 705675), (150, 479859), (153, 470450), (170, 423405), (194, 371025), (225, 319906), (255, 282270), (291, 247350), (306, 235225), (425, 169362), (450, 159953), (485, 148410), (510, 141135), (582, 123675), (765, 94090), (850, 84681), (873, 82450), (970, 74205), (1275, 56454), (1455, 49470), (1530, 47045), (1649, 43650), (1746, 41225), (2425, 29682), (2550, 28227), (2910, 24735), (3298, 21825), (3825, 18818), (4365, 16490), (4850, 14841), (4947, 14550), (7275, 9894), (7650, 9409), (8245, 8730)]