28438000

素因数分解:

$2^4\times 5^3\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 80

約数和(自身を含む): 70218720

約数和(自身を除く): 41780720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 125, 200, 236, 241, 250, 295, 400, 472, 482, 500, 590, 944, 964, 1000, 1180, 1205, 1475, 1928, 2000, 2360, 2410, 2950, 3856, 4720, 4820, 5900, 6025, 7375, 9640, 11800, 12050, 14219, 14750, 19280, 23600, 24100, 28438, 29500, 30125, 48200, 56876, 59000, 60250, 71095, 96400, 113752, 118000, 120500, 142190, 227504, 241000, 284380, 355475, 482000, 568760, 710950, 1137520, 1421900, 1777375, 2843800, 3554750, 5687600, 7109500, 14219000, 28438000]

約数ペア:

[(1, 28438000), (2, 14219000), (4, 7109500), (5, 5687600), (8, 3554750), (10, 2843800), (16, 1777375), (20, 1421900), (25, 1137520), (40, 710950), (50, 568760), (59, 482000), (80, 355475), (100, 284380), (118, 241000), (125, 227504), (200, 142190), (236, 120500), (241, 118000), (250, 113752), (295, 96400), (400, 71095), (472, 60250), (482, 59000), (500, 56876), (590, 48200), (944, 30125), (964, 29500), (1000, 28438), (1180, 24100), (1205, 23600), (1475, 19280), (1928, 14750), (2000, 14219), (2360, 12050), (2410, 11800), (2950, 9640), (3856, 7375), (4720, 6025), (4820, 5900)]