87688420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 206438400

約数和(自身を除く): 118749980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 79, 92, 95, 115, 127, 158, 190, 230, 254, 316, 380, 395, 437, 460, 508, 635, 790, 874, 1270, 1501, 1580, 1748, 1817, 2185, 2413, 2540, 2921, 3002, 3634, 4370, 4826, 5842, 6004, 7268, 7505, 8740, 9085, 9652, 10033, 11684, 12065, 14605, 15010, 18170, 20066, 24130, 29210, 30020, 34523, 36340, 40132, 48260, 50165, 55499, 58420, 69046, 100330, 110998, 138092, 172615, 190627, 200660, 221996, 230759, 277495, 345230, 381254, 461518, 554990, 690460, 762508, 923036, 953135, 1109980, 1153795, 1906270, 2307590, 3812540, 4384421, 4615180, 8768842, 17537684, 21922105, 43844210, 87688420]

約数ペア:

[(1, 87688420), (2, 43844210), (4, 21922105), (5, 17537684), (10, 8768842), (19, 4615180), (20, 4384421), (23, 3812540), (38, 2307590), (46, 1906270), (76, 1153795), (79, 1109980), (92, 953135), (95, 923036), (115, 762508), (127, 690460), (158, 554990), (190, 461518), (230, 381254), (254, 345230), (316, 277495), (380, 230759), (395, 221996), (437, 200660), (460, 190627), (508, 172615), (635, 138092), (790, 110998), (874, 100330), (1270, 69046), (1501, 58420), (1580, 55499), (1748, 50165), (1817, 48260), (2185, 40132), (2413, 36340), (2540, 34523), (2921, 30020), (3002, 29210), (3634, 24130), (4370, 20066), (4826, 18170), (5842, 15010), (6004, 14605), (7268, 12065), (7505, 11684), (8740, 10033), (9085, 9652)]