1293598040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{659999}}^1$

素因数の和:660024

約数の個数: 48

約数和(自身を含む): 3385800000

約数和(自身を除く): 2092201960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 659999, 1319998, 2639996, 3299995, 4619993, 5279992, 6599990, 9239986, 13199980, 18479972, 23099965, 26399960, 32339951, 36959944, 46199930, 64679902, 92399860, 129359804, 161699755, 184799720, 258719608, 323399510, 646799020, 1293598040]

約数ペア:

[(1, 1293598040), (2, 646799020), (4, 323399510), (5, 258719608), (7, 184799720), (8, 161699755), (10, 129359804), (14, 92399860), (20, 64679902), (28, 46199930), (35, 36959944), (40, 32339951), (49, 26399960), (56, 23099965), (70, 18479972), (98, 13199980), (140, 9239986), (196, 6599990), (245, 5279992), (280, 4619993), (392, 3299995), (490, 2639996), (980, 1319998), (1960, 659999)]