200392340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 426810384

約数和(自身を除く): 226418044

約数列:

[1, 2, 4, 5, 10, 20, 181, 197, 281, 362, 394, 562, 724, 788, 905, 985, 1124, 1405, 1810, 1970, 2810, 3620, 3940, 5620, 35657, 50861, 55357, 71314, 101722, 110714, 142628, 178285, 203444, 221428, 254305, 276785, 356570, 508610, 553570, 713140, 1017220, 1107140, 10019617, 20039234, 40078468, 50098085, 100196170, 200392340]

約数ペア:

[(1, 200392340), (2, 100196170), (4, 50098085), (5, 40078468), (10, 20039234), (20, 10019617), (181, 1107140), (197, 1017220), (281, 713140), (362, 553570), (394, 508610), (562, 356570), (724, 276785), (788, 254305), (905, 221428), (985, 203444), (1124, 178285), (1405, 142628), (1810, 110714), (1970, 101722), (2810, 71314), (3620, 55357), (3940, 50861), (5620, 35657)]