77987380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 101638220

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 53, 58, 59, 86, 106, 116, 118, 145, 172, 212, 215, 236, 265, 290, 295, 430, 530, 580, 590, 860, 1060, 1180, 1247, 1537, 1711, 2279, 2494, 2537, 3074, 3127, 3422, 4558, 4988, 5074, 6148, 6235, 6254, 6844, 7685, 8555, 9116, 10148, 11395, 12470, 12508, 12685, 15370, 15635, 17110, 22790, 24940, 25370, 30740, 31270, 34220, 45580, 50740, 62540, 66091, 73573, 90683, 132182, 134461, 147146, 181366, 264364, 268922, 294292, 330455, 362732, 367865, 453415, 537844, 660910, 672305, 735730, 906830, 1321820, 1344610, 1471460, 1813660, 2689220, 3899369, 7798738, 15597476, 19496845, 38993690, 77987380]

約数ペア:

[(1, 77987380), (2, 38993690), (4, 19496845), (5, 15597476), (10, 7798738), (20, 3899369), (29, 2689220), (43, 1813660), (53, 1471460), (58, 1344610), (59, 1321820), (86, 906830), (106, 735730), (116, 672305), (118, 660910), (145, 537844), (172, 453415), (212, 367865), (215, 362732), (236, 330455), (265, 294292), (290, 268922), (295, 264364), (430, 181366), (530, 147146), (580, 134461), (590, 132182), (860, 90683), (1060, 73573), (1180, 66091), (1247, 62540), (1537, 50740), (1711, 45580), (2279, 34220), (2494, 31270), (2537, 30740), (3074, 25370), (3127, 24940), (3422, 22790), (4558, 17110), (4988, 15635), (5074, 15370), (6148, 12685), (6235, 12508), (6254, 12470), (6844, 11395), (7685, 10148), (8555, 9116)]