3869980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 8709120

約数和(自身を除く): 4839140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 179, 188, 230, 235, 358, 460, 470, 716, 895, 940, 1081, 1790, 2162, 3580, 4117, 4324, 5405, 8234, 8413, 10810, 16468, 16826, 20585, 21620, 33652, 41170, 42065, 82340, 84130, 168260, 193499, 386998, 773996, 967495, 1934990, 3869980]

約数ペア:

[(1, 3869980), (2, 1934990), (4, 967495), (5, 773996), (10, 386998), (20, 193499), (23, 168260), (46, 84130), (47, 82340), (92, 42065), (94, 41170), (115, 33652), (179, 21620), (188, 20585), (230, 16826), (235, 16468), (358, 10810), (460, 8413), (470, 8234), (716, 5405), (895, 4324), (940, 4117), (1081, 3580), (1790, 2162)]