209893781860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1847}}^1\times {\mathrm{3847}}^1$

素因数の和:5921

約数の個数: 96

約数和(自身を含む): 506538160128

約数和(自身を除く): 296644378268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 1847, 2110, 2954, 3694, 3847, 4220, 5908, 7385, 7388, 7694, 9235, 12929, 14770, 15388, 18470, 19235, 25858, 26929, 29540, 36940, 38470, 51716, 53858, 64645, 76940, 107716, 129290, 134645, 258580, 269290, 389717, 538580, 779434, 811717, 1558868, 1623434, 1948585, 2728019, 3246868, 3897170, 4058585, 5456038, 5682019, 7105409, 7794340, 8117170, 10912076, 11364038, 13640095, 14210818, 16234340, 22728076, 27280190, 28410095, 28421636, 35527045, 49737863, 54560380, 56820190, 71054090, 99475726, 113640380, 142108180, 198951452, 248689315, 497378630, 994757260, 1499241299, 2998482598, 5996965196, 7496206495, 10494689093, 14992412990, 20989378186, 29984825980, 41978756372, 52473445465, 104946890930, 209893781860]

約数ペア:

[(1, 209893781860), (2, 104946890930), (4, 52473445465), (5, 41978756372), (7, 29984825980), (10, 20989378186), (14, 14992412990), (20, 10494689093), (28, 7496206495), (35, 5996965196), (70, 2998482598), (140, 1499241299), (211, 994757260), (422, 497378630), (844, 248689315), (1055, 198951452), (1477, 142108180), (1847, 113640380), (2110, 99475726), (2954, 71054090), (3694, 56820190), (3847, 54560380), (4220, 49737863), (5908, 35527045), (7385, 28421636), (7388, 28410095), (7694, 27280190), (9235, 22728076), (12929, 16234340), (14770, 14210818), (15388, 13640095), (18470, 11364038), (19235, 10912076), (25858, 8117170), (26929, 7794340), (29540, 7105409), (36940, 5682019), (38470, 5456038), (51716, 4058585), (53858, 3897170), (64645, 3246868), (76940, 2728019), (107716, 1948585), (129290, 1623434), (134645, 1558868), (258580, 811717), (269290, 779434), (389717, 538580)]