2498120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 5966460

約数和(自身を除く): 3468340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 361, 380, 692, 722, 760, 865, 1384, 1444, 1730, 1805, 2888, 3287, 3460, 3610, 6574, 6920, 7220, 13148, 14440, 16435, 26296, 32870, 62453, 65740, 124906, 131480, 249812, 312265, 499624, 624530, 1249060, 2498120]

約数ペア:

[(1, 2498120), (2, 1249060), (4, 624530), (5, 499624), (8, 312265), (10, 249812), (19, 131480), (20, 124906), (38, 65740), (40, 62453), (76, 32870), (95, 26296), (152, 16435), (173, 14440), (190, 13148), (346, 7220), (361, 6920), (380, 6574), (692, 3610), (722, 3460), (760, 3287), (865, 2888), (1384, 1805), (1444, 1730)]