280225908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1523}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 748893600

約数和(自身を除く): 468667692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 269, 342, 538, 684, 807, 1076, 1523, 1614, 2421, 3046, 3228, 4569, 4842, 5111, 6092, 9138, 9684, 10222, 13707, 15333, 18276, 20444, 27414, 28937, 30666, 45999, 54828, 57874, 61332, 86811, 91998, 115748, 173622, 183996, 260433, 347244, 409687, 520866, 819374, 1041732, 1229061, 1638748, 2458122, 3687183, 4916244, 7374366, 7784053, 14748732, 15568106, 23352159, 31136212, 46704318, 70056477, 93408636, 140112954, 280225908]

約数ペア:

[(1, 280225908), (2, 140112954), (3, 93408636), (4, 70056477), (6, 46704318), (9, 31136212), (12, 23352159), (18, 15568106), (19, 14748732), (36, 7784053), (38, 7374366), (57, 4916244), (76, 3687183), (114, 2458122), (171, 1638748), (228, 1229061), (269, 1041732), (342, 819374), (538, 520866), (684, 409687), (807, 347244), (1076, 260433), (1523, 183996), (1614, 173622), (2421, 115748), (3046, 91998), (3228, 86811), (4569, 61332), (4842, 57874), (5111, 54828), (6092, 45999), (9138, 30666), (9684, 28937), (10222, 27414), (13707, 20444), (15333, 18276)]