217809920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2283

約数の個数: 88

約数和(自身を含む): 550233600

約数和(自身を除く): 332423680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2239, 2432, 2560, 3040, 4478, 4864, 5120, 6080, 8956, 9728, 11195, 12160, 17912, 19456, 22390, 24320, 35824, 42541, 44780, 48640, 71648, 85082, 89560, 97280, 143296, 170164, 179120, 212705, 286592, 340328, 358240, 425410, 573184, 680656, 716480, 850820, 1146368, 1361312, 1432960, 1701640, 2292736, 2722624, 2865920, 3403280, 5445248, 5731840, 6806560, 10890496, 11463680, 13613120, 21780992, 27226240, 43561984, 54452480, 108904960, 217809920]

約数ペア:

[(1, 217809920), (2, 108904960), (4, 54452480), (5, 43561984), (8, 27226240), (10, 21780992), (16, 13613120), (19, 11463680), (20, 10890496), (32, 6806560), (38, 5731840), (40, 5445248), (64, 3403280), (76, 2865920), (80, 2722624), (95, 2292736), (128, 1701640), (152, 1432960), (160, 1361312), (190, 1146368), (256, 850820), (304, 716480), (320, 680656), (380, 573184), (512, 425410), (608, 358240), (640, 340328), (760, 286592), (1024, 212705), (1216, 179120), (1280, 170164), (1520, 143296), (2239, 97280), (2432, 89560), (2560, 85082), (3040, 71648), (4478, 48640), (4864, 44780), (5120, 42541), (6080, 35824), (8956, 24320), (9728, 22390), (11195, 19456), (12160, 17912)]