9018100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 24109568

約数和(自身を除く): 15091468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 991, 1300, 1820, 1982, 2275, 3964, 4550, 4955, 6937, 9100, 9910, 12883, 13874, 19820, 24775, 25766, 27748, 34685, 49550, 51532, 64415, 69370, 90181, 99100, 128830, 138740, 173425, 180362, 257660, 322075, 346850, 360724, 450905, 644150, 693700, 901810, 1288300, 1803620, 2254525, 4509050, 9018100]

約数ペア:

[(1, 9018100), (2, 4509050), (4, 2254525), (5, 1803620), (7, 1288300), (10, 901810), (13, 693700), (14, 644150), (20, 450905), (25, 360724), (26, 346850), (28, 322075), (35, 257660), (50, 180362), (52, 173425), (65, 138740), (70, 128830), (91, 99100), (100, 90181), (130, 69370), (140, 64415), (175, 51532), (182, 49550), (260, 34685), (325, 27748), (350, 25766), (364, 24775), (455, 19820), (650, 13874), (700, 12883), (910, 9910), (991, 9100), (1300, 6937), (1820, 4955), (1982, 4550), (2275, 3964)]