28060400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 72651600

約数和(自身を除く): 44591200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 41, 50, 58, 59, 80, 82, 100, 116, 118, 145, 164, 200, 205, 232, 236, 290, 295, 328, 400, 410, 464, 472, 580, 590, 656, 725, 820, 944, 1025, 1160, 1180, 1189, 1450, 1475, 1640, 1711, 2050, 2320, 2360, 2378, 2419, 2900, 2950, 3280, 3422, 4100, 4720, 4756, 4838, 5800, 5900, 5945, 6844, 8200, 8555, 9512, 9676, 11600, 11800, 11890, 12095, 13688, 16400, 17110, 19024, 19352, 23600, 23780, 24190, 27376, 29725, 34220, 38704, 42775, 47560, 48380, 59450, 60475, 68440, 70151, 85550, 95120, 96760, 118900, 120950, 136880, 140302, 171100, 193520, 237800, 241900, 280604, 342200, 350755, 475600, 483800, 561208, 684400, 701510, 967600, 1122416, 1403020, 1753775, 2806040, 3507550, 5612080, 7015100, 14030200, 28060400]

約数ペア:

[(1, 28060400), (2, 14030200), (4, 7015100), (5, 5612080), (8, 3507550), (10, 2806040), (16, 1753775), (20, 1403020), (25, 1122416), (29, 967600), (40, 701510), (41, 684400), (50, 561208), (58, 483800), (59, 475600), (80, 350755), (82, 342200), (100, 280604), (116, 241900), (118, 237800), (145, 193520), (164, 171100), (200, 140302), (205, 136880), (232, 120950), (236, 118900), (290, 96760), (295, 95120), (328, 85550), (400, 70151), (410, 68440), (464, 60475), (472, 59450), (580, 48380), (590, 47560), (656, 42775), (725, 38704), (820, 34220), (944, 29725), (1025, 27376), (1160, 24190), (1180, 23780), (1189, 23600), (1450, 19352), (1475, 19024), (1640, 17110), (1711, 16400), (2050, 13688), (2320, 12095), (2360, 11890), (2378, 11800), (2419, 11600), (2900, 9676), (2950, 9512), (3280, 8555), (3422, 8200), (4100, 6844), (4720, 5945), (4756, 5900), (4838, 5800)]