30882980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 69343680

約数和(自身を除く): 38460700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1213, 1273, 1340, 2426, 2546, 4852, 5092, 6065, 6365, 12130, 12730, 23047, 24260, 25460, 46094, 81271, 92188, 115235, 162542, 230470, 325084, 406355, 460940, 812710, 1544149, 1625420, 3088298, 6176596, 7720745, 15441490, 30882980]

約数ペア:

[(1, 30882980), (2, 15441490), (4, 7720745), (5, 6176596), (10, 3088298), (19, 1625420), (20, 1544149), (38, 812710), (67, 460940), (76, 406355), (95, 325084), (134, 230470), (190, 162542), (268, 115235), (335, 92188), (380, 81271), (670, 46094), (1213, 25460), (1273, 24260), (1340, 23047), (2426, 12730), (2546, 12130), (4852, 6365), (5092, 6065)]