248657220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197347}}^1$

素因数の和:197369

約数の個数: 72

約数和(自身を含む): 862016064

約数和(自身を除く): 613358844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 197347, 394694, 592041, 789388, 986735, 1184082, 1381429, 1776123, 1973470, 2368164, 2762858, 2960205, 3552246, 3946940, 4144287, 5525716, 5920410, 6907145, 7104492, 8288574, 8880615, 11840820, 12432861, 13814290, 16577148, 17761230, 20721435, 24865722, 27628580, 35522460, 41442870, 49731444, 62164305, 82885740, 124328610, 248657220]

約数ペア:

[(1, 248657220), (2, 124328610), (3, 82885740), (4, 62164305), (5, 49731444), (6, 41442870), (7, 35522460), (9, 27628580), (10, 24865722), (12, 20721435), (14, 17761230), (15, 16577148), (18, 13814290), (20, 12432861), (21, 11840820), (28, 8880615), (30, 8288574), (35, 7104492), (36, 6907145), (42, 5920410), (45, 5525716), (60, 4144287), (63, 3946940), (70, 3552246), (84, 2960205), (90, 2762858), (105, 2368164), (126, 1973470), (140, 1776123), (180, 1381429), (210, 1184082), (252, 986735), (315, 789388), (420, 592041), (630, 394694), (1260, 197347)]