205123800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{6977}}^1$

素因数の和:7010

約数の個数: 144

約数和(自身を含む): 739807560

約数和(自身を除く): 534683760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 1050, 1176, 1225, 1400, 1470, 1960, 2100, 2450, 2940, 3675, 4200, 4900, 5880, 6977, 7350, 9800, 13954, 14700, 20931, 27908, 29400, 34885, 41862, 48839, 55816, 69770, 83724, 97678, 104655, 139540, 146517, 167448, 174425, 195356, 209310, 244195, 279080, 293034, 341873, 348850, 390712, 418620, 488390, 523275, 586068, 683746, 697700, 732585, 837240, 976780, 1025619, 1046550, 1172136, 1220975, 1367492, 1395400, 1465170, 1709365, 1953560, 2051238, 2093100, 2441950, 2734984, 2930340, 3418730, 3662925, 4102476, 4186200, 4883900, 5128095, 5860680, 6837460, 7325850, 8204952, 8546825, 9767800, 10256190, 13674920, 14651700, 17093650, 20512380, 25640475, 29303400, 34187300, 41024760, 51280950, 68374600, 102561900, 205123800]

約数ペア:

[(1, 205123800), (2, 102561900), (3, 68374600), (4, 51280950), (5, 41024760), (6, 34187300), (7, 29303400), (8, 25640475), (10, 20512380), (12, 17093650), (14, 14651700), (15, 13674920), (20, 10256190), (21, 9767800), (24, 8546825), (25, 8204952), (28, 7325850), (30, 6837460), (35, 5860680), (40, 5128095), (42, 4883900), (49, 4186200), (50, 4102476), (56, 3662925), (60, 3418730), (70, 2930340), (75, 2734984), (84, 2441950), (98, 2093100), (100, 2051238), (105, 1953560), (120, 1709365), (140, 1465170), (147, 1395400), (150, 1367492), (168, 1220975), (175, 1172136), (196, 1046550), (200, 1025619), (210, 976780), (245, 837240), (280, 732585), (294, 697700), (300, 683746), (350, 586068), (392, 523275), (420, 488390), (490, 418620), (525, 390712), (588, 348850), (600, 341873), (700, 293034), (735, 279080), (840, 244195), (980, 209310), (1050, 195356), (1176, 174425), (1225, 167448), (1400, 146517), (1470, 139540), (1960, 104655), (2100, 97678), (2450, 83724), (2940, 69770), (3675, 55816), (4200, 48839), (4900, 41862), (5880, 34885), (6977, 29400), (7350, 27908), (9800, 20931), (13954, 14700)]