85990100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 229152000

約数和(自身を除く): 143161900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 109, 115, 140, 161, 175, 196, 218, 230, 245, 322, 343, 350, 436, 460, 490, 545, 575, 644, 686, 700, 763, 805, 980, 1090, 1127, 1150, 1225, 1372, 1526, 1610, 1715, 2180, 2254, 2300, 2450, 2507, 2725, 3052, 3220, 3430, 3815, 4025, 4508, 4900, 5014, 5341, 5450, 5635, 6860, 7630, 7889, 8050, 8575, 10028, 10682, 10900, 11270, 12535, 15260, 15778, 16100, 17150, 17549, 19075, 21364, 22540, 25070, 26705, 28175, 31556, 34300, 35098, 37387, 38150, 39445, 50140, 53410, 56350, 62675, 70196, 74774, 76300, 78890, 87745, 106820, 112700, 122843, 125350, 133525, 149548, 157780, 175490, 186935, 197225, 245686, 250700, 267050, 350980, 373870, 394450, 438725, 491372, 534100, 614215, 747740, 788900, 859901, 877450, 934675, 1228430, 1719802, 1754900, 1869350, 2456860, 3071075, 3439604, 3738700, 4299505, 6142150, 8599010, 12284300, 17198020, 21497525, 42995050, 85990100]

約数ペア:

[(1, 85990100), (2, 42995050), (4, 21497525), (5, 17198020), (7, 12284300), (10, 8599010), (14, 6142150), (20, 4299505), (23, 3738700), (25, 3439604), (28, 3071075), (35, 2456860), (46, 1869350), (49, 1754900), (50, 1719802), (70, 1228430), (92, 934675), (98, 877450), (100, 859901), (109, 788900), (115, 747740), (140, 614215), (161, 534100), (175, 491372), (196, 438725), (218, 394450), (230, 373870), (245, 350980), (322, 267050), (343, 250700), (350, 245686), (436, 197225), (460, 186935), (490, 175490), (545, 157780), (575, 149548), (644, 133525), (686, 125350), (700, 122843), (763, 112700), (805, 106820), (980, 87745), (1090, 78890), (1127, 76300), (1150, 74774), (1225, 70196), (1372, 62675), (1526, 56350), (1610, 53410), (1715, 50140), (2180, 39445), (2254, 38150), (2300, 37387), (2450, 35098), (2507, 34300), (2725, 31556), (3052, 28175), (3220, 26705), (3430, 25070), (3815, 22540), (4025, 21364), (4508, 19075), (4900, 17549), (5014, 17150), (5341, 16100), (5450, 15778), (5635, 15260), (6860, 12535), (7630, 11270), (7889, 10900), (8050, 10682), (8575, 10028)]