80976100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 206236800

約数和(自身を除く): 125260700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 25, 34, 38, 46, 50, 68, 76, 85, 92, 95, 100, 109, 115, 170, 190, 218, 230, 323, 340, 380, 391, 425, 436, 437, 460, 475, 545, 575, 646, 782, 850, 874, 950, 1090, 1150, 1292, 1564, 1615, 1700, 1748, 1853, 1900, 1955, 2071, 2180, 2185, 2300, 2507, 2725, 3230, 3706, 3910, 4142, 4370, 5014, 5450, 6460, 7412, 7429, 7820, 8075, 8284, 8740, 9265, 9775, 10028, 10355, 10900, 10925, 12535, 14858, 16150, 18530, 19550, 20710, 21850, 25070, 29716, 32300, 35207, 37060, 37145, 39100, 41420, 42619, 43700, 46325, 47633, 50140, 51775, 62675, 70414, 74290, 85238, 92650, 95266, 103550, 125350, 140828, 148580, 170476, 176035, 185300, 185725, 190532, 207100, 213095, 238165, 250700, 352070, 371450, 426190, 476330, 704140, 742900, 809761, 852380, 880175, 952660, 1065475, 1190825, 1619522, 1760350, 2130950, 2381650, 3239044, 3520700, 4048805, 4261900, 4763300, 8097610, 16195220, 20244025, 40488050, 80976100]

約数ペア:

[(1, 80976100), (2, 40488050), (4, 20244025), (5, 16195220), (10, 8097610), (17, 4763300), (19, 4261900), (20, 4048805), (23, 3520700), (25, 3239044), (34, 2381650), (38, 2130950), (46, 1760350), (50, 1619522), (68, 1190825), (76, 1065475), (85, 952660), (92, 880175), (95, 852380), (100, 809761), (109, 742900), (115, 704140), (170, 476330), (190, 426190), (218, 371450), (230, 352070), (323, 250700), (340, 238165), (380, 213095), (391, 207100), (425, 190532), (436, 185725), (437, 185300), (460, 176035), (475, 170476), (545, 148580), (575, 140828), (646, 125350), (782, 103550), (850, 95266), (874, 92650), (950, 85238), (1090, 74290), (1150, 70414), (1292, 62675), (1564, 51775), (1615, 50140), (1700, 47633), (1748, 46325), (1853, 43700), (1900, 42619), (1955, 41420), (2071, 39100), (2180, 37145), (2185, 37060), (2300, 35207), (2507, 32300), (2725, 29716), (3230, 25070), (3706, 21850), (3910, 20710), (4142, 19550), (4370, 18530), (5014, 16150), (5450, 14858), (6460, 12535), (7412, 10925), (7429, 10900), (7820, 10355), (8075, 10028), (8284, 9775), (8740, 9265)]