391729520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7727

約数の個数: 120

約数和(自身を含む): 1141114464

約数和(自身を除く): 749384944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 5096, 6370, 7280, 7687, 10192, 12740, 15374, 25480, 30748, 38435, 50960, 53809, 61496, 76870, 99931, 107618, 122992, 153740, 199862, 215236, 269045, 307480, 376663, 399724, 430472, 499655, 538090, 614960, 699517, 753326, 799448, 860944, 999310, 1076180, 1399034, 1506652, 1598896, 1883315, 1998620, 2152360, 2798068, 3013304, 3497585, 3766630, 3997240, 4304720, 4896619, 5596136, 6026608, 6995170, 7533260, 7994480, 9793238, 11192272, 13990340, 15066520, 19586476, 24483095, 27980680, 30133040, 39172952, 48966190, 55961360, 78345904, 97932380, 195864760, 391729520]

約数ペア:

[(1, 391729520), (2, 195864760), (4, 97932380), (5, 78345904), (7, 55961360), (8, 48966190), (10, 39172952), (13, 30133040), (14, 27980680), (16, 24483095), (20, 19586476), (26, 15066520), (28, 13990340), (35, 11192272), (40, 9793238), (49, 7994480), (52, 7533260), (56, 6995170), (65, 6026608), (70, 5596136), (80, 4896619), (91, 4304720), (98, 3997240), (104, 3766630), (112, 3497585), (130, 3013304), (140, 2798068), (182, 2152360), (196, 1998620), (208, 1883315), (245, 1598896), (260, 1506652), (280, 1399034), (364, 1076180), (392, 999310), (455, 860944), (490, 799448), (520, 753326), (560, 699517), (637, 614960), (728, 538090), (784, 499655), (910, 430472), (980, 399724), (1040, 376663), (1274, 307480), (1456, 269045), (1820, 215236), (1960, 199862), (2548, 153740), (3185, 122992), (3640, 107618), (3920, 99931), (5096, 76870), (6370, 61496), (7280, 53809), (7687, 50960), (10192, 38435), (12740, 30748), (15374, 25480)]