280525000

素因数分解:

$2^3\times 5^5\times 7^2\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 768114900

約数和(自身を除く): 487589900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 229, 245, 250, 280, 350, 392, 458, 490, 500, 625, 700, 875, 916, 980, 1000, 1145, 1225, 1250, 1400, 1603, 1750, 1832, 1960, 2290, 2450, 2500, 3125, 3206, 3500, 4375, 4580, 4900, 5000, 5725, 6125, 6250, 6412, 7000, 8015, 8750, 9160, 9800, 11221, 11450, 12250, 12500, 12824, 16030, 17500, 21875, 22442, 22900, 24500, 25000, 28625, 30625, 32060, 35000, 40075, 43750, 44884, 45800, 49000, 56105, 57250, 61250, 64120, 80150, 87500, 89768, 112210, 114500, 122500, 143125, 153125, 160300, 175000, 200375, 224420, 229000, 245000, 280525, 286250, 306250, 320600, 400750, 448840, 561050, 572500, 612500, 715625, 801500, 1001875, 1122100, 1145000, 1225000, 1402625, 1431250, 1603000, 2003750, 2244200, 2805250, 2862500, 4007500, 5009375, 5610500, 5725000, 7013125, 8015000, 10018750, 11221000, 14026250, 20037500, 28052500, 35065625, 40075000, 56105000, 70131250, 140262500, 280525000]

約数ペア:

[(1, 280525000), (2, 140262500), (4, 70131250), (5, 56105000), (7, 40075000), (8, 35065625), (10, 28052500), (14, 20037500), (20, 14026250), (25, 11221000), (28, 10018750), (35, 8015000), (40, 7013125), (49, 5725000), (50, 5610500), (56, 5009375), (70, 4007500), (98, 2862500), (100, 2805250), (125, 2244200), (140, 2003750), (175, 1603000), (196, 1431250), (200, 1402625), (229, 1225000), (245, 1145000), (250, 1122100), (280, 1001875), (350, 801500), (392, 715625), (458, 612500), (490, 572500), (500, 561050), (625, 448840), (700, 400750), (875, 320600), (916, 306250), (980, 286250), (1000, 280525), (1145, 245000), (1225, 229000), (1250, 224420), (1400, 200375), (1603, 175000), (1750, 160300), (1832, 153125), (1960, 143125), (2290, 122500), (2450, 114500), (2500, 112210), (3125, 89768), (3206, 87500), (3500, 80150), (4375, 64120), (4580, 61250), (4900, 57250), (5000, 56105), (5725, 49000), (6125, 45800), (6250, 44884), (6412, 43750), (7000, 40075), (8015, 35000), (8750, 32060), (9160, 30625), (9800, 28625), (11221, 25000), (11450, 24500), (12250, 22900), (12500, 22442), (12824, 21875), (16030, 17500)]