7136020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 16027200

約数和(自身を除く): 8891180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 211, 356, 380, 422, 445, 844, 890, 1055, 1691, 1780, 2110, 3382, 4009, 4220, 6764, 8018, 8455, 16036, 16910, 18779, 20045, 33820, 37558, 40090, 75116, 80180, 93895, 187790, 356801, 375580, 713602, 1427204, 1784005, 3568010, 7136020]

約数ペア:

[(1, 7136020), (2, 3568010), (4, 1784005), (5, 1427204), (10, 713602), (19, 375580), (20, 356801), (38, 187790), (76, 93895), (89, 80180), (95, 75116), (178, 40090), (190, 37558), (211, 33820), (356, 20045), (380, 18779), (422, 16910), (445, 16036), (844, 8455), (890, 8018), (1055, 6764), (1691, 4220), (1780, 4009), (2110, 3382)]