386899760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{619}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 971916960

約数和(自身を除く): 585017200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 601, 619, 1040, 1202, 1238, 2404, 2476, 3005, 3095, 4808, 4952, 6010, 6190, 7813, 8047, 9616, 9904, 12020, 12380, 15626, 16094, 24040, 24760, 31252, 32188, 39065, 40235, 48080, 49520, 62504, 64376, 78130, 80470, 125008, 128752, 156260, 160940, 312520, 321880, 372019, 625040, 643760, 744038, 1488076, 1860095, 2976152, 3720190, 4836247, 5952304, 7440380, 9672494, 14880760, 19344988, 24181235, 29761520, 38689976, 48362470, 77379952, 96724940, 193449880, 386899760]

約数ペア:

[(1, 386899760), (2, 193449880), (4, 96724940), (5, 77379952), (8, 48362470), (10, 38689976), (13, 29761520), (16, 24181235), (20, 19344988), (26, 14880760), (40, 9672494), (52, 7440380), (65, 5952304), (80, 4836247), (104, 3720190), (130, 2976152), (208, 1860095), (260, 1488076), (520, 744038), (601, 643760), (619, 625040), (1040, 372019), (1202, 321880), (1238, 312520), (2404, 160940), (2476, 156260), (3005, 128752), (3095, 125008), (4808, 80470), (4952, 78130), (6010, 64376), (6190, 62504), (7813, 49520), (8047, 48080), (9616, 40235), (9904, 39065), (12020, 32188), (12380, 31252), (15626, 24760), (16094, 24040)]