7835980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 18355680

約数和(自身を除く): 10519700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1213, 1292, 1615, 2426, 3230, 4852, 6065, 6460, 12130, 20621, 23047, 24260, 41242, 46094, 82484, 92188, 103105, 115235, 206210, 230470, 391799, 412420, 460940, 783598, 1567196, 1958995, 3917990, 7835980]

約数ペア:

[(1, 7835980), (2, 3917990), (4, 1958995), (5, 1567196), (10, 783598), (17, 460940), (19, 412420), (20, 391799), (34, 230470), (38, 206210), (68, 115235), (76, 103105), (85, 92188), (95, 82484), (170, 46094), (190, 41242), (323, 24260), (340, 23047), (380, 20621), (646, 12130), (1213, 6460), (1292, 6065), (1615, 4852), (2426, 3230)]