201688240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2294

約数の個数: 80

約数和(自身を含む): 510904800

約数和(自身を除く): 309216560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2179, 2314, 3560, 4358, 4628, 5785, 7120, 8716, 9256, 10895, 11570, 17432, 18512, 21790, 23140, 28327, 34864, 43580, 46280, 56654, 87160, 92560, 113308, 141635, 174320, 193931, 226616, 283270, 387862, 453232, 566540, 775724, 969655, 1133080, 1551448, 1939310, 2266160, 2521103, 3102896, 3878620, 5042206, 7757240, 10084412, 12605515, 15514480, 20168824, 25211030, 40337648, 50422060, 100844120, 201688240]

約数ペア:

[(1, 201688240), (2, 100844120), (4, 50422060), (5, 40337648), (8, 25211030), (10, 20168824), (13, 15514480), (16, 12605515), (20, 10084412), (26, 7757240), (40, 5042206), (52, 3878620), (65, 3102896), (80, 2521103), (89, 2266160), (104, 1939310), (130, 1551448), (178, 1133080), (208, 969655), (260, 775724), (356, 566540), (445, 453232), (520, 387862), (712, 283270), (890, 226616), (1040, 193931), (1157, 174320), (1424, 141635), (1780, 113308), (2179, 92560), (2314, 87160), (3560, 56654), (4358, 46280), (4628, 43580), (5785, 34864), (7120, 28327), (8716, 23140), (9256, 21790), (10895, 18512), (11570, 17432)]