51365720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 136663200

約数和(自身を除く): 85297480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 292, 359, 365, 392, 490, 511, 584, 718, 730, 980, 1022, 1436, 1460, 1795, 1960, 2044, 2513, 2555, 2872, 2920, 3577, 3590, 4088, 5026, 5110, 7154, 7180, 10052, 10220, 12565, 14308, 14360, 17591, 17885, 20104, 20440, 25130, 26207, 28616, 35182, 35770, 50260, 52414, 70364, 71540, 87955, 100520, 104828, 131035, 140728, 143080, 175910, 183449, 209656, 262070, 351820, 366898, 524140, 703640, 733796, 917245, 1048280, 1284143, 1467592, 1834490, 2568286, 3668980, 5136572, 6420715, 7337960, 10273144, 12841430, 25682860, 51365720]

約数ペア:

[(1, 51365720), (2, 25682860), (4, 12841430), (5, 10273144), (7, 7337960), (8, 6420715), (10, 5136572), (14, 3668980), (20, 2568286), (28, 1834490), (35, 1467592), (40, 1284143), (49, 1048280), (56, 917245), (70, 733796), (73, 703640), (98, 524140), (140, 366898), (146, 351820), (196, 262070), (245, 209656), (280, 183449), (292, 175910), (359, 143080), (365, 140728), (392, 131035), (490, 104828), (511, 100520), (584, 87955), (718, 71540), (730, 70364), (980, 52414), (1022, 50260), (1436, 35770), (1460, 35182), (1795, 28616), (1960, 26207), (2044, 25130), (2513, 20440), (2555, 20104), (2872, 17885), (2920, 17591), (3577, 14360), (3590, 14308), (4088, 12565), (5026, 10220), (5110, 10052), (7154, 7180)]