305786840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{653}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 720446400

約数和(自身を除く): 414659560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 509, 653, 920, 1018, 1306, 2036, 2545, 2612, 3265, 4072, 5090, 5224, 6530, 10180, 11707, 13060, 15019, 20360, 23414, 26120, 30038, 46828, 58535, 60076, 75095, 93656, 117070, 120152, 150190, 234140, 300380, 332377, 468280, 600760, 664754, 1329508, 1661885, 2659016, 3323770, 6647540, 7644671, 13295080, 15289342, 30578684, 38223355, 61157368, 76446710, 152893420, 305786840]

約数ペア:

[(1, 305786840), (2, 152893420), (4, 76446710), (5, 61157368), (8, 38223355), (10, 30578684), (20, 15289342), (23, 13295080), (40, 7644671), (46, 6647540), (92, 3323770), (115, 2659016), (184, 1661885), (230, 1329508), (460, 664754), (509, 600760), (653, 468280), (920, 332377), (1018, 300380), (1306, 234140), (2036, 150190), (2545, 120152), (2612, 117070), (3265, 93656), (4072, 75095), (5090, 60076), (5224, 58535), (6530, 46828), (10180, 30038), (11707, 26120), (13060, 23414), (15019, 20360)]