1385408090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1259

約数の個数: 64

約数和(自身を含む): 2776965120

約数和(自身を除く): 1391557030

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 179, 355, 358, 710, 781, 895, 991, 1562, 1790, 1969, 1982, 3905, 3938, 4955, 7810, 9845, 9910, 10901, 12709, 19690, 21802, 25418, 54505, 63545, 70361, 109010, 127090, 139799, 140722, 177389, 279598, 351805, 354778, 698995, 703610, 773971, 886945, 1397990, 1547942, 1773890, 1951279, 3869855, 3902558, 7739710, 9756395, 12594619, 19512790, 25189238, 62973095, 125946190, 138540809, 277081618, 692704045, 1385408090]

約数ペア:

[(1, 1385408090), (2, 692704045), (5, 277081618), (10, 138540809), (11, 125946190), (22, 62973095), (55, 25189238), (71, 19512790), (110, 12594619), (142, 9756395), (179, 7739710), (355, 3902558), (358, 3869855), (710, 1951279), (781, 1773890), (895, 1547942), (991, 1397990), (1562, 886945), (1790, 773971), (1969, 703610), (1982, 698995), (3905, 354778), (3938, 351805), (4955, 279598), (7810, 177389), (9845, 140722), (9910, 139799), (10901, 127090), (12709, 109010), (19690, 70361), (21802, 63545), (25418, 54505)]