203669930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 400498560

約数和(自身を除く): 196828630

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 97, 190, 194, 215, 257, 430, 485, 514, 817, 970, 1285, 1634, 1843, 2570, 3686, 4085, 4171, 4883, 8170, 8342, 9215, 9766, 11051, 18430, 20855, 22102, 24415, 24929, 41710, 48830, 49858, 55255, 79249, 110510, 124645, 158498, 209969, 249290, 396245, 419938, 473651, 792490, 947302, 1049845, 1071947, 2099690, 2143894, 2368255, 4736510, 5359735, 10719470, 20366993, 40733986, 101834965, 203669930]

約数ペア:

[(1, 203669930), (2, 101834965), (5, 40733986), (10, 20366993), (19, 10719470), (38, 5359735), (43, 4736510), (86, 2368255), (95, 2143894), (97, 2099690), (190, 1071947), (194, 1049845), (215, 947302), (257, 792490), (430, 473651), (485, 419938), (514, 396245), (817, 249290), (970, 209969), (1285, 158498), (1634, 124645), (1843, 110510), (2570, 79249), (3686, 55255), (4085, 49858), (4171, 48830), (4883, 41710), (8170, 24929), (8342, 24415), (9215, 22102), (9766, 20855), (11051, 18430)]