204290800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{1489}}^1$

素因数の和:1528

約数の個数: 120

約数和(自身を含む): 572756000

約数和(自身を除く): 368465200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1489, 1715, 1960, 2450, 2744, 2800, 2978, 3430, 3920, 4900, 5488, 5956, 6860, 7445, 8575, 9800, 10423, 11912, 13720, 14890, 17150, 19600, 20846, 23824, 27440, 29780, 34300, 37225, 41692, 52115, 59560, 68600, 72961, 74450, 83384, 104230, 119120, 137200, 145922, 148900, 166768, 208460, 260575, 291844, 297800, 364805, 416920, 510727, 521150, 583688, 595600, 729610, 833840, 1021454, 1042300, 1167376, 1459220, 1824025, 2042908, 2084600, 2553635, 2918440, 3648050, 4085816, 4169200, 5107270, 5836880, 7296100, 8171632, 10214540, 12768175, 14592200, 20429080, 25536350, 29184400, 40858160, 51072700, 102145400, 204290800]

約数ペア:

[(1, 204290800), (2, 102145400), (4, 51072700), (5, 40858160), (7, 29184400), (8, 25536350), (10, 20429080), (14, 14592200), (16, 12768175), (20, 10214540), (25, 8171632), (28, 7296100), (35, 5836880), (40, 5107270), (49, 4169200), (50, 4085816), (56, 3648050), (70, 2918440), (80, 2553635), (98, 2084600), (100, 2042908), (112, 1824025), (140, 1459220), (175, 1167376), (196, 1042300), (200, 1021454), (245, 833840), (280, 729610), (343, 595600), (350, 583688), (392, 521150), (400, 510727), (490, 416920), (560, 364805), (686, 297800), (700, 291844), (784, 260575), (980, 208460), (1225, 166768), (1372, 148900), (1400, 145922), (1489, 137200), (1715, 119120), (1960, 104230), (2450, 83384), (2744, 74450), (2800, 72961), (2978, 68600), (3430, 59560), (3920, 52115), (4900, 41692), (5488, 37225), (5956, 34300), (6860, 29780), (7445, 27440), (8575, 23824), (9800, 20846), (10423, 19600), (11912, 17150), (13720, 14890)]