259625600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 699545070

約数和(自身を除く): 439919470

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 79, 80, 100, 104, 128, 130, 158, 160, 200, 208, 260, 316, 320, 325, 395, 400, 416, 520, 632, 640, 650, 790, 800, 832, 1027, 1040, 1264, 1300, 1580, 1600, 1664, 1975, 2054, 2080, 2528, 2600, 3160, 3200, 3950, 4108, 4160, 5056, 5135, 5200, 6241, 6320, 7900, 8216, 8320, 10112, 10270, 10400, 12482, 12640, 15800, 16432, 20540, 20800, 24964, 25280, 25675, 31205, 31600, 32864, 41080, 41600, 49928, 50560, 51350, 62410, 63200, 65728, 81133, 82160, 99856, 102700, 124820, 126400, 131456, 156025, 162266, 164320, 199712, 205400, 249640, 252800, 312050, 324532, 328640, 399424, 405665, 410800, 499280, 624100, 649064, 657280, 798848, 811330, 821600, 998560, 1248200, 1298128, 1622660, 1643200, 1997120, 2028325, 2496400, 2596256, 3245320, 3286400, 3994240, 4056650, 4992800, 5192512, 6490640, 8113300, 9985600, 10385024, 12981280, 16226600, 19971200, 25962560, 32453200, 51925120, 64906400, 129812800, 259625600]

約数ペア:

[(1, 259625600), (2, 129812800), (4, 64906400), (5, 51925120), (8, 32453200), (10, 25962560), (13, 19971200), (16, 16226600), (20, 12981280), (25, 10385024), (26, 9985600), (32, 8113300), (40, 6490640), (50, 5192512), (52, 4992800), (64, 4056650), (65, 3994240), (79, 3286400), (80, 3245320), (100, 2596256), (104, 2496400), (128, 2028325), (130, 1997120), (158, 1643200), (160, 1622660), (200, 1298128), (208, 1248200), (260, 998560), (316, 821600), (320, 811330), (325, 798848), (395, 657280), (400, 649064), (416, 624100), (520, 499280), (632, 410800), (640, 405665), (650, 399424), (790, 328640), (800, 324532), (832, 312050), (1027, 252800), (1040, 249640), (1264, 205400), (1300, 199712), (1580, 164320), (1600, 162266), (1664, 156025), (1975, 131456), (2054, 126400), (2080, 124820), (2528, 102700), (2600, 99856), (3160, 82160), (3200, 81133), (3950, 65728), (4108, 63200), (4160, 62410), (5056, 51350), (5135, 50560), (5200, 49928), (6241, 41600), (6320, 41080), (7900, 32864), (8216, 31600), (8320, 31205), (10112, 25675), (10270, 25280), (10400, 24964), (12482, 20800), (12640, 20540), (15800, 16432)]