213284300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 477896496

約数和(自身を除く): 264612196

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 193, 215, 257, 386, 430, 514, 772, 860, 965, 1028, 1075, 1285, 1930, 2150, 2570, 3860, 4300, 4825, 5140, 6425, 8299, 9650, 11051, 12850, 16598, 19300, 22102, 25700, 33196, 41495, 44204, 49601, 55255, 82990, 99202, 110510, 165980, 198404, 207475, 221020, 248005, 276275, 414950, 496010, 552550, 829900, 992020, 1105100, 1240025, 2132843, 2480050, 4265686, 4960100, 8531372, 10664215, 21328430, 42656860, 53321075, 106642150, 213284300]

約数ペア:

[(1, 213284300), (2, 106642150), (4, 53321075), (5, 42656860), (10, 21328430), (20, 10664215), (25, 8531372), (43, 4960100), (50, 4265686), (86, 2480050), (100, 2132843), (172, 1240025), (193, 1105100), (215, 992020), (257, 829900), (386, 552550), (430, 496010), (514, 414950), (772, 276275), (860, 248005), (965, 221020), (1028, 207475), (1075, 198404), (1285, 165980), (1930, 110510), (2150, 99202), (2570, 82990), (3860, 55255), (4300, 49601), (4825, 44204), (5140, 41495), (6425, 33196), (8299, 25700), (9650, 22102), (11051, 19300), (12850, 16598)]