212573780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{929}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 473875920

約数和(自身を除く): 261302140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 673, 929, 1346, 1858, 2692, 3365, 3716, 4645, 6730, 9290, 11441, 13460, 15793, 18580, 22882, 31586, 45764, 57205, 63172, 78965, 114410, 157930, 228820, 315860, 625217, 1250434, 2500868, 3126085, 6252170, 10628689, 12504340, 21257378, 42514756, 53143445, 106286890, 212573780]

約数ペア:

[(1, 212573780), (2, 106286890), (4, 53143445), (5, 42514756), (10, 21257378), (17, 12504340), (20, 10628689), (34, 6252170), (68, 3126085), (85, 2500868), (170, 1250434), (340, 625217), (673, 315860), (929, 228820), (1346, 157930), (1858, 114410), (2692, 78965), (3365, 63172), (3716, 57205), (4645, 45764), (6730, 31586), (9290, 22882), (11441, 18580), (13460, 15793)]