204920490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 502920576

約数和(自身を除く): 298000086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 137, 146, 219, 274, 365, 411, 438, 683, 685, 730, 822, 1095, 1366, 1370, 2049, 2055, 2190, 3415, 4098, 4110, 6830, 10001, 10245, 20002, 20490, 30003, 49859, 50005, 60006, 93571, 99718, 100010, 149577, 150015, 187142, 249295, 280713, 299154, 300030, 467855, 498590, 561426, 747885, 935710, 1403565, 1495770, 2807130, 6830683, 13661366, 20492049, 34153415, 40984098, 68306830, 102460245, 204920490]

約数ペア:

[(1, 204920490), (2, 102460245), (3, 68306830), (5, 40984098), (6, 34153415), (10, 20492049), (15, 13661366), (30, 6830683), (73, 2807130), (137, 1495770), (146, 1403565), (219, 935710), (274, 747885), (365, 561426), (411, 498590), (438, 467855), (683, 300030), (685, 299154), (730, 280713), (822, 249295), (1095, 187142), (1366, 150015), (1370, 149577), (2049, 100010), (2055, 99718), (2190, 93571), (3415, 60006), (4098, 50005), (4110, 49859), (6830, 30003), (10001, 20490), (10245, 20002)]