205839900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{10891}}^1$

素因数の和:10921

約数の個数: 144

約数和(自身を含む): 756340480

約数和(自身を除く): 550500580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 10891, 18900, 21782, 32673, 43564, 54455, 65346, 76237, 98019, 108910, 130692, 152474, 163365, 196038, 217820, 228711, 272275, 294057, 304948, 326730, 381185, 392076, 457422, 490095, 544550, 588114, 653460, 686133, 762370, 816825, 914844, 980190, 1089100, 1143555, 1176228, 1372266, 1470285, 1524740, 1633650, 1905925, 1960380, 2058399, 2287110, 2450475, 2744532, 2940570, 3267300, 3430665, 3811850, 4116798, 4574220, 4900950, 5717775, 5881140, 6861330, 7351425, 7623700, 8233596, 9801900, 10291995, 11435550, 13722660, 14702850, 17153325, 20583990, 22871100, 29405700, 34306650, 41167980, 51459975, 68613300, 102919950, 205839900]

約数ペア:

[(1, 205839900), (2, 102919950), (3, 68613300), (4, 51459975), (5, 41167980), (6, 34306650), (7, 29405700), (9, 22871100), (10, 20583990), (12, 17153325), (14, 14702850), (15, 13722660), (18, 11435550), (20, 10291995), (21, 9801900), (25, 8233596), (27, 7623700), (28, 7351425), (30, 6861330), (35, 5881140), (36, 5717775), (42, 4900950), (45, 4574220), (50, 4116798), (54, 3811850), (60, 3430665), (63, 3267300), (70, 2940570), (75, 2744532), (84, 2450475), (90, 2287110), (100, 2058399), (105, 1960380), (108, 1905925), (126, 1633650), (135, 1524740), (140, 1470285), (150, 1372266), (175, 1176228), (180, 1143555), (189, 1089100), (210, 980190), (225, 914844), (252, 816825), (270, 762370), (300, 686133), (315, 653460), (350, 588114), (378, 544550), (420, 490095), (450, 457422), (525, 392076), (540, 381185), (630, 326730), (675, 304948), (700, 294057), (756, 272275), (900, 228711), (945, 217820), (1050, 196038), (1260, 163365), (1350, 152474), (1575, 130692), (1890, 108910), (2100, 98019), (2700, 76237), (3150, 65346), (3780, 54455), (4725, 43564), (6300, 32673), (9450, 21782), (10891, 18900)]