212945920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 176

約数和(自身を含む): 589536000

約数和(自身を除く): 376590080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 199, 209, 220, 256, 304, 320, 352, 380, 398, 418, 440, 512, 608, 640, 704, 760, 796, 836, 880, 995, 1024, 1045, 1216, 1280, 1408, 1520, 1592, 1672, 1760, 1990, 2090, 2189, 2432, 2560, 2816, 3040, 3184, 3344, 3520, 3781, 3980, 4180, 4378, 4864, 5120, 5632, 6080, 6368, 6688, 7040, 7562, 7960, 8360, 8756, 9728, 10945, 11264, 12160, 12736, 13376, 14080, 15124, 15920, 16720, 17512, 18905, 19456, 21890, 24320, 25472, 26752, 28160, 30248, 31840, 33440, 35024, 37810, 41591, 43780, 48640, 50944, 53504, 56320, 60496, 63680, 66880, 70048, 75620, 83182, 87560, 97280, 101888, 107008, 120992, 127360, 133760, 140096, 151240, 166364, 175120, 203776, 207955, 214016, 241984, 254720, 267520, 280192, 302480, 332728, 350240, 415910, 483968, 509440, 535040, 560384, 604960, 665456, 700480, 831820, 967936, 1018880, 1070080, 1120768, 1209920, 1330912, 1400960, 1663640, 1935872, 2241536, 2419840, 2661824, 2801920, 3327280, 3871744, 4839680, 5323648, 5603840, 6654560, 9679360, 10647296, 11207680, 13309120, 19358720, 21294592, 26618240, 42589184, 53236480, 106472960, 212945920]

約数ペア:

[(1, 212945920), (2, 106472960), (4, 53236480), (5, 42589184), (8, 26618240), (10, 21294592), (11, 19358720), (16, 13309120), (19, 11207680), (20, 10647296), (22, 9679360), (32, 6654560), (38, 5603840), (40, 5323648), (44, 4839680), (55, 3871744), (64, 3327280), (76, 2801920), (80, 2661824), (88, 2419840), (95, 2241536), (110, 1935872), (128, 1663640), (152, 1400960), (160, 1330912), (176, 1209920), (190, 1120768), (199, 1070080), (209, 1018880), (220, 967936), (256, 831820), (304, 700480), (320, 665456), (352, 604960), (380, 560384), (398, 535040), (418, 509440), (440, 483968), (512, 415910), (608, 350240), (640, 332728), (704, 302480), (760, 280192), (796, 267520), (836, 254720), (880, 241984), (995, 214016), (1024, 207955), (1045, 203776), (1216, 175120), (1280, 166364), (1408, 151240), (1520, 140096), (1592, 133760), (1672, 127360), (1760, 120992), (1990, 107008), (2090, 101888), (2189, 97280), (2432, 87560), (2560, 83182), (2816, 75620), (3040, 70048), (3184, 66880), (3344, 63680), (3520, 60496), (3781, 56320), (3980, 53504), (4180, 50944), (4378, 48640), (4864, 43780), (5120, 41591), (5632, 37810), (6080, 35024), (6368, 33440), (6688, 31840), (7040, 30248), (7562, 28160), (7960, 26752), (8360, 25472), (8756, 24320), (9728, 21890), (10945, 19456), (11264, 18905), (12160, 17512), (12736, 16720), (13376, 15920), (14080, 15124)]