221516800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 132

約数和(自身を含む): 582535260

約数和(自身を除く): 361018460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 509, 512, 544, 640, 680, 800, 850, 1018, 1024, 1088, 1280, 1360, 1600, 1700, 2036, 2176, 2545, 2560, 2720, 3200, 3400, 4072, 4352, 5090, 5120, 5440, 6400, 6800, 8144, 8653, 8704, 10180, 10880, 12725, 12800, 13600, 16288, 17306, 17408, 20360, 21760, 25450, 25600, 27200, 32576, 34612, 40720, 43265, 43520, 50900, 54400, 65152, 69224, 81440, 86530, 87040, 101800, 108800, 130304, 138448, 162880, 173060, 203600, 216325, 217600, 260608, 276896, 325760, 346120, 407200, 432650, 435200, 521216, 553792, 651520, 692240, 814400, 865300, 1107584, 1303040, 1384480, 1628800, 1730600, 2215168, 2606080, 2768960, 3257600, 3461200, 4430336, 5537920, 6515200, 6922400, 8860672, 11075840, 13030400, 13844800, 22151680, 27689600, 44303360, 55379200, 110758400, 221516800]

約数ペア:

[(1, 221516800), (2, 110758400), (4, 55379200), (5, 44303360), (8, 27689600), (10, 22151680), (16, 13844800), (17, 13030400), (20, 11075840), (25, 8860672), (32, 6922400), (34, 6515200), (40, 5537920), (50, 4430336), (64, 3461200), (68, 3257600), (80, 2768960), (85, 2606080), (100, 2215168), (128, 1730600), (136, 1628800), (160, 1384480), (170, 1303040), (200, 1107584), (256, 865300), (272, 814400), (320, 692240), (340, 651520), (400, 553792), (425, 521216), (509, 435200), (512, 432650), (544, 407200), (640, 346120), (680, 325760), (800, 276896), (850, 260608), (1018, 217600), (1024, 216325), (1088, 203600), (1280, 173060), (1360, 162880), (1600, 138448), (1700, 130304), (2036, 108800), (2176, 101800), (2545, 87040), (2560, 86530), (2720, 81440), (3200, 69224), (3400, 65152), (4072, 54400), (4352, 50900), (5090, 43520), (5120, 43265), (5440, 40720), (6400, 34612), (6800, 32576), (8144, 27200), (8653, 25600), (8704, 25450), (10180, 21760), (10880, 20360), (12725, 17408), (12800, 17306), (13600, 16288)]