205638900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 641625600

約数和(自身を除く): 435986700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 43, 50, 57, 60, 75, 76, 86, 95, 100, 114, 129, 150, 172, 190, 215, 228, 258, 285, 300, 380, 430, 475, 516, 570, 645, 817, 839, 860, 950, 1075, 1140, 1290, 1425, 1634, 1678, 1900, 2150, 2451, 2517, 2580, 2850, 3225, 3268, 3356, 4085, 4195, 4300, 4902, 5034, 5700, 6450, 8170, 8390, 9804, 10068, 12255, 12585, 12900, 15941, 16340, 16780, 20425, 20975, 24510, 25170, 31882, 36077, 40850, 41950, 47823, 49020, 50340, 61275, 62925, 63764, 72154, 79705, 81700, 83900, 95646, 108231, 122550, 125850, 144308, 159410, 180385, 191292, 216462, 239115, 245100, 251700, 318820, 360770, 398525, 432924, 478230, 541155, 685463, 721540, 797050, 901925, 956460, 1082310, 1195575, 1370926, 1594100, 1803850, 2056389, 2164620, 2391150, 2705775, 2741852, 3427315, 3607700, 4112778, 4782300, 5411550, 6854630, 8225556, 10281945, 10823100, 13709260, 17136575, 20563890, 34273150, 41127780, 51409725, 68546300, 102819450, 205638900]

約数ペア:

[(1, 205638900), (2, 102819450), (3, 68546300), (4, 51409725), (5, 41127780), (6, 34273150), (10, 20563890), (12, 17136575), (15, 13709260), (19, 10823100), (20, 10281945), (25, 8225556), (30, 6854630), (38, 5411550), (43, 4782300), (50, 4112778), (57, 3607700), (60, 3427315), (75, 2741852), (76, 2705775), (86, 2391150), (95, 2164620), (100, 2056389), (114, 1803850), (129, 1594100), (150, 1370926), (172, 1195575), (190, 1082310), (215, 956460), (228, 901925), (258, 797050), (285, 721540), (300, 685463), (380, 541155), (430, 478230), (475, 432924), (516, 398525), (570, 360770), (645, 318820), (817, 251700), (839, 245100), (860, 239115), (950, 216462), (1075, 191292), (1140, 180385), (1290, 159410), (1425, 144308), (1634, 125850), (1678, 122550), (1900, 108231), (2150, 95646), (2451, 83900), (2517, 81700), (2580, 79705), (2850, 72154), (3225, 63764), (3268, 62925), (3356, 61275), (4085, 50340), (4195, 49020), (4300, 47823), (4902, 41950), (5034, 40850), (5700, 36077), (6450, 31882), (8170, 25170), (8390, 24510), (9804, 20975), (10068, 20425), (12255, 16780), (12585, 16340), (12900, 15941)]