208968800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 547277472

約数和(自身を除く): 338308672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 41, 46, 50, 80, 82, 92, 100, 115, 160, 164, 184, 200, 205, 230, 277, 328, 368, 400, 410, 460, 554, 575, 656, 736, 800, 820, 920, 943, 1025, 1108, 1150, 1312, 1385, 1640, 1840, 1886, 2050, 2216, 2300, 2770, 3280, 3680, 3772, 4100, 4432, 4600, 4715, 5540, 6371, 6560, 6925, 7544, 8200, 8864, 9200, 9430, 11080, 11357, 12742, 13850, 15088, 16400, 18400, 18860, 22160, 22714, 23575, 25484, 27700, 30176, 31855, 32800, 37720, 44320, 45428, 47150, 50968, 55400, 56785, 63710, 75440, 90856, 94300, 101936, 110800, 113570, 127420, 150880, 159275, 181712, 188600, 203872, 221600, 227140, 254840, 261211, 283925, 318550, 363424, 377200, 454280, 509680, 522422, 567850, 637100, 754400, 908560, 1019360, 1044844, 1135700, 1274200, 1306055, 1817120, 2089688, 2271400, 2548400, 2612110, 4179376, 4542800, 5096800, 5224220, 6530275, 8358752, 9085600, 10448440, 13060550, 20896880, 26121100, 41793760, 52242200, 104484400, 208968800]

約数ペア:

[(1, 208968800), (2, 104484400), (4, 52242200), (5, 41793760), (8, 26121100), (10, 20896880), (16, 13060550), (20, 10448440), (23, 9085600), (25, 8358752), (32, 6530275), (40, 5224220), (41, 5096800), (46, 4542800), (50, 4179376), (80, 2612110), (82, 2548400), (92, 2271400), (100, 2089688), (115, 1817120), (160, 1306055), (164, 1274200), (184, 1135700), (200, 1044844), (205, 1019360), (230, 908560), (277, 754400), (328, 637100), (368, 567850), (400, 522422), (410, 509680), (460, 454280), (554, 377200), (575, 363424), (656, 318550), (736, 283925), (800, 261211), (820, 254840), (920, 227140), (943, 221600), (1025, 203872), (1108, 188600), (1150, 181712), (1312, 159275), (1385, 150880), (1640, 127420), (1840, 113570), (1886, 110800), (2050, 101936), (2216, 94300), (2300, 90856), (2770, 75440), (3280, 63710), (3680, 56785), (3772, 55400), (4100, 50968), (4432, 47150), (4600, 45428), (4715, 44320), (5540, 37720), (6371, 32800), (6560, 31855), (6925, 30176), (7544, 27700), (8200, 25484), (8864, 23575), (9200, 22714), (9430, 22160), (11080, 18860), (11357, 18400), (12742, 16400), (13850, 15088)]