156931940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 376016256

約数和(自身を除く): 219084316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 53, 55, 86, 106, 110, 172, 212, 215, 220, 265, 313, 430, 473, 530, 583, 626, 860, 946, 1060, 1166, 1252, 1565, 1892, 2279, 2332, 2365, 2915, 3130, 3443, 4558, 4730, 5830, 6260, 6886, 9116, 9460, 11395, 11660, 13459, 13772, 16589, 17215, 22790, 25069, 26918, 33178, 34430, 45580, 50138, 53836, 66356, 67295, 68860, 82945, 100276, 125345, 134590, 148049, 165890, 182479, 250690, 269180, 296098, 331780, 364958, 501380, 592196, 713327, 729916, 740245, 912395, 1426654, 1480490, 1824790, 2853308, 2960980, 3566635, 3649580, 7133270, 7846597, 14266540, 15693194, 31386388, 39232985, 78465970, 156931940]

約数ペア:

[(1, 156931940), (2, 78465970), (4, 39232985), (5, 31386388), (10, 15693194), (11, 14266540), (20, 7846597), (22, 7133270), (43, 3649580), (44, 3566635), (53, 2960980), (55, 2853308), (86, 1824790), (106, 1480490), (110, 1426654), (172, 912395), (212, 740245), (215, 729916), (220, 713327), (265, 592196), (313, 501380), (430, 364958), (473, 331780), (530, 296098), (583, 269180), (626, 250690), (860, 182479), (946, 165890), (1060, 148049), (1166, 134590), (1252, 125345), (1565, 100276), (1892, 82945), (2279, 68860), (2332, 67295), (2365, 66356), (2915, 53836), (3130, 50138), (3443, 45580), (4558, 34430), (4730, 33178), (5830, 26918), (6260, 25069), (6886, 22790), (9116, 17215), (9460, 16589), (11395, 13772), (11660, 13459)]