90181000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 128

約数和(自身を含む): 259983360

約数和(自身を除く): 169802360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 500, 520, 650, 700, 728, 875, 910, 991, 1000, 1300, 1400, 1625, 1750, 1820, 1982, 2275, 2600, 3250, 3500, 3640, 3964, 4550, 4955, 6500, 6937, 7000, 7928, 9100, 9910, 11375, 12883, 13000, 13874, 18200, 19820, 22750, 24775, 25766, 27748, 34685, 39640, 45500, 49550, 51532, 55496, 64415, 69370, 90181, 91000, 99100, 103064, 123875, 128830, 138740, 173425, 180362, 198200, 247750, 257660, 277480, 322075, 346850, 360724, 450905, 495500, 515320, 644150, 693700, 721448, 867125, 901810, 991000, 1288300, 1387400, 1610375, 1734250, 1803620, 2254525, 2576600, 3220750, 3468500, 3607240, 4509050, 6441500, 6937000, 9018100, 11272625, 12883000, 18036200, 22545250, 45090500, 90181000]

約数ペア:

[(1, 90181000), (2, 45090500), (4, 22545250), (5, 18036200), (7, 12883000), (8, 11272625), (10, 9018100), (13, 6937000), (14, 6441500), (20, 4509050), (25, 3607240), (26, 3468500), (28, 3220750), (35, 2576600), (40, 2254525), (50, 1803620), (52, 1734250), (56, 1610375), (65, 1387400), (70, 1288300), (91, 991000), (100, 901810), (104, 867125), (125, 721448), (130, 693700), (140, 644150), (175, 515320), (182, 495500), (200, 450905), (250, 360724), (260, 346850), (280, 322075), (325, 277480), (350, 257660), (364, 247750), (455, 198200), (500, 180362), (520, 173425), (650, 138740), (700, 128830), (728, 123875), (875, 103064), (910, 99100), (991, 91000), (1000, 90181), (1300, 69370), (1400, 64415), (1625, 55496), (1750, 51532), (1820, 49550), (1982, 45500), (2275, 39640), (2600, 34685), (3250, 27748), (3500, 25766), (3640, 24775), (3964, 22750), (4550, 19820), (4955, 18200), (6500, 13874), (6937, 13000), (7000, 12883), (7928, 11375), (9100, 9910)]