1214311940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 2573835264

約数和(自身を除く): 1359523324

約数列:

[1, 2, 4, 5, 10, 20, 197, 311, 394, 622, 788, 985, 991, 1244, 1555, 1970, 1982, 3110, 3940, 3964, 4955, 6220, 9910, 19820, 61267, 122534, 195227, 245068, 306335, 308201, 390454, 612670, 616402, 780908, 976135, 1225340, 1232804, 1541005, 1952270, 3082010, 3904540, 6164020, 60715597, 121431194, 242862388, 303577985, 607155970, 1214311940]

約数ペア:

[(1, 1214311940), (2, 607155970), (4, 303577985), (5, 242862388), (10, 121431194), (20, 60715597), (197, 6164020), (311, 3904540), (394, 3082010), (622, 1952270), (788, 1541005), (985, 1232804), (991, 1225340), (1244, 976135), (1555, 780908), (1970, 616402), (1982, 612670), (3110, 390454), (3940, 308201), (3964, 306335), (4955, 245068), (6220, 195227), (9910, 122534), (19820, 61267)]