538338920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 1455667200

約数和(自身を除く): 917328280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 179, 184, 230, 280, 322, 358, 460, 467, 644, 716, 805, 895, 920, 934, 1253, 1288, 1432, 1610, 1790, 1868, 2335, 2506, 3220, 3269, 3580, 3736, 4117, 4670, 5012, 6265, 6440, 6538, 7160, 8234, 9340, 10024, 10741, 12530, 13076, 16345, 16468, 18680, 20585, 21482, 25060, 26152, 28819, 32690, 32936, 41170, 42964, 50120, 53705, 57638, 65380, 75187, 82340, 83593, 85928, 107410, 115276, 130760, 144095, 150374, 164680, 167186, 214820, 230552, 288190, 300748, 334372, 375935, 417965, 429640, 576380, 585151, 601496, 668744, 751870, 835930, 1152760, 1170302, 1503740, 1671860, 1922639, 2340604, 2925755, 3007480, 3343720, 3845278, 4681208, 5851510, 7690556, 9613195, 11703020, 13458473, 15381112, 19226390, 23406040, 26916946, 38452780, 53833892, 67292365, 76905560, 107667784, 134584730, 269169460, 538338920]

約数ペア:

[(1, 538338920), (2, 269169460), (4, 134584730), (5, 107667784), (7, 76905560), (8, 67292365), (10, 53833892), (14, 38452780), (20, 26916946), (23, 23406040), (28, 19226390), (35, 15381112), (40, 13458473), (46, 11703020), (56, 9613195), (70, 7690556), (92, 5851510), (115, 4681208), (140, 3845278), (161, 3343720), (179, 3007480), (184, 2925755), (230, 2340604), (280, 1922639), (322, 1671860), (358, 1503740), (460, 1170302), (467, 1152760), (644, 835930), (716, 751870), (805, 668744), (895, 601496), (920, 585151), (934, 576380), (1253, 429640), (1288, 417965), (1432, 375935), (1610, 334372), (1790, 300748), (1868, 288190), (2335, 230552), (2506, 214820), (3220, 167186), (3269, 164680), (3580, 150374), (3736, 144095), (4117, 130760), (4670, 115276), (5012, 107410), (6265, 85928), (6440, 83593), (6538, 82340), (7160, 75187), (8234, 65380), (9340, 57638), (10024, 53705), (10741, 50120), (12530, 42964), (13076, 41170), (16345, 32936), (16468, 32690), (18680, 28819), (20585, 26152), (21482, 25060)]