520090900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 1343664000

約数和(自身を除く): 823573100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 59, 70, 98, 100, 118, 140, 175, 196, 236, 245, 257, 295, 343, 350, 413, 490, 514, 590, 686, 700, 826, 980, 1028, 1180, 1225, 1285, 1372, 1475, 1652, 1715, 1799, 2065, 2450, 2570, 2891, 2950, 3430, 3598, 4130, 4900, 5140, 5782, 5900, 6425, 6860, 7196, 8260, 8575, 8995, 10325, 11564, 12593, 12850, 14455, 15163, 17150, 17990, 20237, 20650, 25186, 25700, 28910, 30326, 34300, 35980, 40474, 41300, 44975, 50372, 57820, 60652, 62965, 72275, 75815, 80948, 88151, 89950, 101185, 106141, 125930, 144550, 151630, 176302, 179900, 202370, 212282, 251860, 289100, 303260, 314825, 352604, 379075, 404740, 424564, 440755, 505925, 530705, 629650, 742987, 758150, 881510, 1011850, 1061410, 1259300, 1485974, 1516300, 1763020, 2023700, 2122820, 2203775, 2653525, 2971948, 3714935, 4407550, 5200909, 5307050, 7429870, 8815100, 10401818, 10614100, 14859740, 18574675, 20803636, 26004545, 37149350, 52009090, 74298700, 104018180, 130022725, 260045450, 520090900]

約数ペア:

[(1, 520090900), (2, 260045450), (4, 130022725), (5, 104018180), (7, 74298700), (10, 52009090), (14, 37149350), (20, 26004545), (25, 20803636), (28, 18574675), (35, 14859740), (49, 10614100), (50, 10401818), (59, 8815100), (70, 7429870), (98, 5307050), (100, 5200909), (118, 4407550), (140, 3714935), (175, 2971948), (196, 2653525), (236, 2203775), (245, 2122820), (257, 2023700), (295, 1763020), (343, 1516300), (350, 1485974), (413, 1259300), (490, 1061410), (514, 1011850), (590, 881510), (686, 758150), (700, 742987), (826, 629650), (980, 530705), (1028, 505925), (1180, 440755), (1225, 424564), (1285, 404740), (1372, 379075), (1475, 352604), (1652, 314825), (1715, 303260), (1799, 289100), (2065, 251860), (2450, 212282), (2570, 202370), (2891, 179900), (2950, 176302), (3430, 151630), (3598, 144550), (4130, 125930), (4900, 106141), (5140, 101185), (5782, 89950), (5900, 88151), (6425, 80948), (6860, 75815), (7196, 72275), (8260, 62965), (8575, 60652), (8995, 57820), (10325, 50372), (11564, 44975), (12593, 41300), (12850, 40474), (14455, 35980), (15163, 34300), (17150, 30326), (17990, 28910), (20237, 25700), (20650, 25186)]