79725900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 247484160

約数和(自身を除く): 167758260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 71, 75, 76, 95, 100, 114, 142, 150, 190, 197, 213, 228, 284, 285, 300, 355, 380, 394, 426, 475, 570, 591, 710, 788, 852, 950, 985, 1065, 1140, 1182, 1349, 1420, 1425, 1775, 1900, 1970, 2130, 2364, 2698, 2850, 2955, 3550, 3743, 3940, 4047, 4260, 4925, 5325, 5396, 5700, 5910, 6745, 7100, 7486, 8094, 9850, 10650, 11229, 11820, 13490, 13987, 14775, 14972, 16188, 18715, 19700, 20235, 21300, 22458, 26980, 27974, 29550, 33725, 37430, 40470, 41961, 44916, 55948, 56145, 59100, 67450, 69935, 74860, 80940, 83922, 93575, 101175, 112290, 134900, 139870, 167844, 187150, 202350, 209805, 224580, 265753, 279740, 280725, 349675, 374300, 404700, 419610, 531506, 561450, 699350, 797259, 839220, 1049025, 1063012, 1122900, 1328765, 1398700, 1594518, 2098050, 2657530, 3189036, 3986295, 4196100, 5315060, 6643825, 7972590, 13287650, 15945180, 19931475, 26575300, 39862950, 79725900]

約数ペア:

[(1, 79725900), (2, 39862950), (3, 26575300), (4, 19931475), (5, 15945180), (6, 13287650), (10, 7972590), (12, 6643825), (15, 5315060), (19, 4196100), (20, 3986295), (25, 3189036), (30, 2657530), (38, 2098050), (50, 1594518), (57, 1398700), (60, 1328765), (71, 1122900), (75, 1063012), (76, 1049025), (95, 839220), (100, 797259), (114, 699350), (142, 561450), (150, 531506), (190, 419610), (197, 404700), (213, 374300), (228, 349675), (284, 280725), (285, 279740), (300, 265753), (355, 224580), (380, 209805), (394, 202350), (426, 187150), (475, 167844), (570, 139870), (591, 134900), (710, 112290), (788, 101175), (852, 93575), (950, 83922), (985, 80940), (1065, 74860), (1140, 69935), (1182, 67450), (1349, 59100), (1420, 56145), (1425, 55948), (1775, 44916), (1900, 41961), (1970, 40470), (2130, 37430), (2364, 33725), (2698, 29550), (2850, 27974), (2955, 26980), (3550, 22458), (3743, 21300), (3940, 20235), (4047, 19700), (4260, 18715), (4925, 16188), (5325, 14972), (5396, 14775), (5700, 13987), (5910, 13490), (6745, 11820), (7100, 11229), (7486, 10650), (8094, 9850)]