394470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{487}}^1$

素因数の和:506

約数の個数: 40

約数和(自身を含む): 1062864

約数和(自身を除く): 668394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 487, 810, 974, 1461, 2435, 2922, 4383, 4870, 7305, 8766, 13149, 14610, 21915, 26298, 39447, 43830, 65745, 78894, 131490, 197235, 394470]

約数ペア:

[(1, 394470), (2, 197235), (3, 131490), (5, 78894), (6, 65745), (9, 43830), (10, 39447), (15, 26298), (18, 21915), (27, 14610), (30, 13149), (45, 8766), (54, 7305), (81, 4870), (90, 4383), (135, 2922), (162, 2435), (270, 1461), (405, 974), (487, 810)]