1382440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 3499200

約数和(自身を除く): 2116760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 107, 136, 152, 170, 190, 214, 323, 340, 380, 428, 535, 646, 680, 760, 856, 1070, 1292, 1615, 1819, 2033, 2140, 2584, 3230, 3638, 4066, 4280, 6460, 7276, 8132, 9095, 10165, 12920, 14552, 16264, 18190, 20330, 34561, 36380, 40660, 69122, 72760, 81320, 138244, 172805, 276488, 345610, 691220, 1382440]

約数ペア:

[(1, 1382440), (2, 691220), (4, 345610), (5, 276488), (8, 172805), (10, 138244), (17, 81320), (19, 72760), (20, 69122), (34, 40660), (38, 36380), (40, 34561), (68, 20330), (76, 18190), (85, 16264), (95, 14552), (107, 12920), (136, 10165), (152, 9095), (170, 8132), (190, 7276), (214, 6460), (323, 4280), (340, 4066), (380, 3638), (428, 3230), (535, 2584), (646, 2140), (680, 2033), (760, 1819), (856, 1615), (1070, 1292)]