243442780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 625695840

約数和(自身を除く): 382253060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 53, 70, 86, 98, 106, 109, 140, 172, 196, 212, 215, 218, 245, 265, 301, 371, 430, 436, 490, 530, 545, 602, 742, 763, 860, 980, 1060, 1090, 1204, 1484, 1505, 1526, 1855, 2107, 2180, 2279, 2597, 3010, 3052, 3710, 3815, 4214, 4558, 4687, 5194, 5341, 5777, 6020, 7420, 7630, 8428, 9116, 9374, 10388, 10535, 10682, 11395, 11554, 12985, 15260, 15953, 18748, 21070, 21364, 22790, 23108, 23435, 25970, 26705, 28885, 31906, 32809, 40439, 42140, 45580, 46870, 51940, 53410, 57770, 63812, 65618, 79765, 80878, 93740, 106820, 111671, 115540, 131236, 159530, 161756, 164045, 202195, 223342, 229663, 248411, 283073, 319060, 328090, 404390, 446684, 459326, 496822, 558355, 566146, 656180, 808780, 918652, 993644, 1116710, 1132292, 1148315, 1242055, 1415365, 1738877, 2233420, 2296630, 2484110, 2830730, 3477754, 4593260, 4968220, 5661460, 6955508, 8694385, 12172139, 17388770, 24344278, 34777540, 48688556, 60860695, 121721390, 243442780]

約数ペア:

[(1, 243442780), (2, 121721390), (4, 60860695), (5, 48688556), (7, 34777540), (10, 24344278), (14, 17388770), (20, 12172139), (28, 8694385), (35, 6955508), (43, 5661460), (49, 4968220), (53, 4593260), (70, 3477754), (86, 2830730), (98, 2484110), (106, 2296630), (109, 2233420), (140, 1738877), (172, 1415365), (196, 1242055), (212, 1148315), (215, 1132292), (218, 1116710), (245, 993644), (265, 918652), (301, 808780), (371, 656180), (430, 566146), (436, 558355), (490, 496822), (530, 459326), (545, 446684), (602, 404390), (742, 328090), (763, 319060), (860, 283073), (980, 248411), (1060, 229663), (1090, 223342), (1204, 202195), (1484, 164045), (1505, 161756), (1526, 159530), (1855, 131236), (2107, 115540), (2180, 111671), (2279, 106820), (2597, 93740), (3010, 80878), (3052, 79765), (3710, 65618), (3815, 63812), (4214, 57770), (4558, 53410), (4687, 51940), (5194, 46870), (5341, 45580), (5777, 42140), (6020, 40439), (7420, 32809), (7630, 31906), (8428, 28885), (9116, 26705), (9374, 25970), (10388, 23435), (10535, 23108), (10682, 22790), (11395, 21364), (11554, 21070), (12985, 18748), (15260, 15953)]