2775140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 6283200

約数和(自身を除く): 3508060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 109, 134, 190, 218, 268, 335, 380, 436, 545, 670, 1090, 1273, 1340, 2071, 2180, 2546, 4142, 5092, 6365, 7303, 8284, 10355, 12730, 14606, 20710, 25460, 29212, 36515, 41420, 73030, 138757, 146060, 277514, 555028, 693785, 1387570, 2775140]

約数ペア:

[(1, 2775140), (2, 1387570), (4, 693785), (5, 555028), (10, 277514), (19, 146060), (20, 138757), (38, 73030), (67, 41420), (76, 36515), (95, 29212), (109, 25460), (134, 20710), (190, 14606), (218, 12730), (268, 10355), (335, 8284), (380, 7303), (436, 6365), (545, 5092), (670, 4142), (1090, 2546), (1273, 2180), (1340, 2071)]