208081000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 518918400

約数和(自身を除く): 310837400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 83, 92, 100, 109, 115, 125, 166, 184, 200, 218, 230, 250, 332, 415, 436, 460, 500, 545, 575, 664, 830, 872, 920, 1000, 1090, 1150, 1660, 1909, 2075, 2180, 2300, 2507, 2725, 2875, 3320, 3818, 4150, 4360, 4600, 5014, 5450, 5750, 7636, 8300, 9047, 9545, 10028, 10375, 10900, 11500, 12535, 13625, 15272, 16600, 18094, 19090, 20056, 20750, 21800, 23000, 25070, 27250, 36188, 38180, 41500, 45235, 47725, 50140, 54500, 62675, 72376, 76360, 83000, 90470, 95450, 100280, 109000, 125350, 180940, 190900, 208081, 226175, 238625, 250700, 313375, 361880, 381800, 416162, 452350, 477250, 501400, 626750, 832324, 904700, 954500, 1040405, 1130875, 1253500, 1664648, 1809400, 1909000, 2080810, 2261750, 2507000, 4161620, 4523500, 5202025, 8323240, 9047000, 10404050, 20808100, 26010125, 41616200, 52020250, 104040500, 208081000]

約数ペア:

[(1, 208081000), (2, 104040500), (4, 52020250), (5, 41616200), (8, 26010125), (10, 20808100), (20, 10404050), (23, 9047000), (25, 8323240), (40, 5202025), (46, 4523500), (50, 4161620), (83, 2507000), (92, 2261750), (100, 2080810), (109, 1909000), (115, 1809400), (125, 1664648), (166, 1253500), (184, 1130875), (200, 1040405), (218, 954500), (230, 904700), (250, 832324), (332, 626750), (415, 501400), (436, 477250), (460, 452350), (500, 416162), (545, 381800), (575, 361880), (664, 313375), (830, 250700), (872, 238625), (920, 226175), (1000, 208081), (1090, 190900), (1150, 180940), (1660, 125350), (1909, 109000), (2075, 100280), (2180, 95450), (2300, 90470), (2507, 83000), (2725, 76360), (2875, 72376), (3320, 62675), (3818, 54500), (4150, 50140), (4360, 47725), (4600, 45235), (5014, 41500), (5450, 38180), (5750, 36188), (7636, 27250), (8300, 25070), (9047, 23000), (9545, 21800), (10028, 20750), (10375, 20056), (10900, 19090), (11500, 18094), (12535, 16600), (13625, 15272)]