209849200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 120

約数和(自身を含む): 565298640

約数和(自身を除く): 355449440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 148, 176, 185, 200, 220, 275, 296, 370, 400, 407, 440, 550, 592, 740, 814, 880, 925, 1100, 1289, 1480, 1628, 1850, 2035, 2200, 2578, 2960, 3256, 3700, 4070, 4400, 5156, 6445, 6512, 7400, 8140, 10175, 10312, 12890, 14179, 14800, 16280, 20350, 20624, 25780, 28358, 32225, 32560, 40700, 47693, 51560, 56716, 64450, 70895, 81400, 95386, 103120, 113432, 128900, 141790, 162800, 190772, 226864, 238465, 257800, 283580, 354475, 381544, 476930, 515600, 524623, 567160, 708950, 763088, 953860, 1049246, 1134320, 1192325, 1417900, 1907720, 2098492, 2384650, 2623115, 2835800, 3815440, 4196984, 4769300, 5246230, 5671600, 8393968, 9538600, 10492460, 13115575, 19077200, 20984920, 26231150, 41969840, 52462300, 104924600, 209849200]

約数ペア:

[(1, 209849200), (2, 104924600), (4, 52462300), (5, 41969840), (8, 26231150), (10, 20984920), (11, 19077200), (16, 13115575), (20, 10492460), (22, 9538600), (25, 8393968), (37, 5671600), (40, 5246230), (44, 4769300), (50, 4196984), (55, 3815440), (74, 2835800), (80, 2623115), (88, 2384650), (100, 2098492), (110, 1907720), (148, 1417900), (176, 1192325), (185, 1134320), (200, 1049246), (220, 953860), (275, 763088), (296, 708950), (370, 567160), (400, 524623), (407, 515600), (440, 476930), (550, 381544), (592, 354475), (740, 283580), (814, 257800), (880, 238465), (925, 226864), (1100, 190772), (1289, 162800), (1480, 141790), (1628, 128900), (1850, 113432), (2035, 103120), (2200, 95386), (2578, 81400), (2960, 70895), (3256, 64450), (3700, 56716), (4070, 51560), (4400, 47693), (5156, 40700), (6445, 32560), (6512, 32225), (7400, 28358), (8140, 25780), (10175, 20624), (10312, 20350), (12890, 16280), (14179, 14800)]